Locked in

by Gassipons

Rating: teen
Tags: Twilight Sparkle, My Little Pony: Friendship is Magic, Rainbow Dash, Comedy, Rarity, Random, Slice of Life
Length: 6857

Rainbow Dash and Rarity find themselves left locked in a shopping mall after closing hours, and Dashie's bellyache only promises to make matters worse...

[THIS IS A FETISH FANFIC. CONTAINS FARTING.]

When Rarity and Rainbow Dash find themselves locked up in Equestia's newly-opened shopping mall, they need to find a way to survive the night. On top of their predicament, Rainbow Dash finds herself gassier than she's ever found herself before.

Published 2015-02-08 19:00:02 UTC
Last updated 2015-02-08 19:00:02 UTC

CHAPTER ONE

"Oooh. This frock would go wonderfully with the burgundy skirt I bought last week.." Rarity rambled aloud, encouraging another sigh from Rainbow Dash.
"Could we, like, go? We've been looking at stupid dresses for hours now!"

Rarity scoffed, turning to her pegasus friend.
"Firstly it's a frock, not a dress. Secondly, I stood idly by while you spent two hours looking through.. Eugh... Sporting gear."

"So? That stuff was actually important!"

"..and also waited while you queued up for that stupid veggie dog."

"Hey! I was hungry!"

"Yes, but you could have settled for something with less of a queue."

Rainbow disregarded Rarity and folded her arms, hovering off the ground just slightly.

"We're the only two ponies even still in this stupid store."

Rarity looked up and around, as if broken temporarily from some trance.

"I must say, this absence all of a sudden is slightly weird."

Rainbow peered out of the boutique, noticing that the rest of the mall was completely deserted.

Equestria's first shopping mall had opened just that week not too far from Ponyville, so it was a given that everypony nearby would flock to this alien spectacle.
This fact made the mall's emptiness all that more unnerving.

"Wh-what time is it, Rarity?"

The ivory equine glanced up at the clock.

"Half seven."

"Half seven?! This place closes at six!"

Rainbow began to panic, zooming around the other stores to check theirs wasn't the only one deserted, before flying back to Rarity with worry and annoyance plastered over her face.

"Nice going, Rarity. The whole place is shut down for the night!"

"Oh my; Why weren't we kicked out?"

It was Rainbow's turn to blush.
"Oh. So that's what she meant."

"Who?! What?!"

"A couple of hours ago this pony told me to get out, so I told her to shove it up her-"

"Rainbow Dash! Do you realise what you've gone and done?!"

"What I've gone and done?! You're the one so infatuated with... Fabrics!"

"Oh, nononono! What are we going to do?! We'll die in here! We're goners!"

"No we're not. We just camp it out till morning. I'm pretty sure we can find the resources around that we need. There's a bed store we could sleep in."

"Are you insane? We can't do that! It's.. So horrible in here! And what about my nighty routine?!"

Save a few sporadic camping trips Rarity had not spent much time away from her home and the familiarity of her life. The mere idea of spending a whole night somewhere else unprepared almost launched her into a panic attack.

"It's just one night. Could be kinda fun."

"Fun?! How could it be fun?! Your idea of fun is grossly clouded, Rainbow Dash." Rarity flouted as she trotted away from her friend, considering an attempt to steal some pricey clothes.

"While I do appreciate you pegasi type have little regard for the fundamentals of hygiene and sophistication, you must agree that spending a whole night in some tacky, dirty shopping mall is far from 'fun'."

"I think you need to stop being so prissy." Rainbow sighed, her patience growing thin at Rarity's constant complaining and whining.

With an acceptive sigh Rarity slumped down onto the floor, sighing forlornly.
"This mindless bickering's hardly going to better our situation; I suppose we'll just have to live with it."

Rainbow's stomach interrupted her friend with a deep, muffled groan.
Rarity perked up.
"Wh-what was that?"

"My stomach; I'm hungry."

"O-Oh. I see. Was that monstrosity you devoured earlier not filling enough?"

"That was like three hours ago. I'm gonna go see if I can find something to eat."

With this, Rainbow hovered off to find a food stall with the hope she could still access some food from it.
The warm, cheap lighting in the building made her feel strangely sleepy as she levitated past the closed stores.

After passing a few dozen dark store fronts she came across a veggie dog stand, and with an impatient slap of her lips trotted over to inspect the stall.
It seemed all the prepared veggie dogs had been eaten already, but behind the stall stood a cooler.

Rainbow slowly opened the cooling box, peering inside to see a cardboard box containing about two dozen small and silver sachets.
"..beef?" She read aloud confusedly from the side of the crate.
"Huh. Guess this must be the stuff they make them out of."

Without much more thought into it, she snatched out a pouch and tore it open, guzzling the red raw meat inside it down her throat.

"Hm. That... Tastes pretty good." She said quietly to herself, taking a couple more and eating those too.
Something about that rich, savoury flavour just made her eat another and another, until soon the box had been emptied.

Rainbow burped into her mouth, going so far as to savour it just to let the sublime taste hang on her tongue a moment longer.

She flew her way back towards the clothing store, and after a few detours managed to find it again.

Rarity had a piece of paper laid out over the floor, and she was inspecting it closely when her cyan pegasus friend returned.

"Hey, Rarity, I found this super delicious stuff down by that veggie dog stall. It was c-"

She was promptly cut off by Rarity;
"While you were gone I managed to find this map. It seems that, in fact, there is some kind of emergency exit that we could try. It's two floors down in the main surveillance room.
I suppose it's worth a shot."

"Sure, whatever. I still think crashing here for the night would be cool."

Rarity looked up at Dash for the first time since she'd arrived back.

"Rainbow Dash, how much did you eat? Your midriff is positively swollen!"

Rainbow Dash looked down, noticing a slight bulge as a result of her little glut.

"Heh. It tasted so good, though! I wish I'd saved some for you."

"I think I would have passed, Rainbow." Her eyebrows curled in repulse.

"Let's just get out of this place."

Rarity got up, rolling the map under her armpit as she led Rainbow Dash out of the door.

On their journey down the cold stone flights of stairs and past the empty shops Rainbow began to feel a slowly rising discomfort in her gut.
She wasn't sure what that strange 'beef' had been, but she gradually began to regret eating it.

"R-Rarity. Can we stop a second? My stomach is killing me!"

"Stop complaining. You probably just have bellyache due to your monstrous gourmandising."

"Uugh.. I don't know what it is, but it hurts bad.."

Her belly let out an audible churn, as she felt every muscle in her lower body ache profusely.

"Where is this place, anyways?"

"It seems we're here now." Rarity replied, looking up at the door with the large 'security' embossed onto it.

"...oh."

The two ponies trotted (more drudgingly for Rainbow Dash) into the security room.

Looking around Rarity noticed a large exit door, and squealed with delight.

"There it is! Our way out of here!"

As she went to open it, the two ponies heard a loud metallic clang from behind them and turned to see the door into the security room had slammed tightly shut.

"R-Rainbow Dash! What did you do?!"

"I haven't done anything!"

"You didn't hold the door open?!"

"You didn't tell me to!"

When her anger diminished Rarity realised the door into the room didn't particularly matter, and went to open their exit.
To her dismay, though, it would not open.

CHAPTER TWO

Rarity tried it again, and then another time; her breathing grew faster at the dawning realisation that they appeared to be stuck.

Rainbow Dash was now sat up against a wall, wincing at the gradually worsening pain in her belly.
With the pain something deep in her bowels seemed to swell and grow heavy..

"R-Rarity? Can we go now?"

"No, we can't! We're stuck in here forever!"

"They'll let us out in the morning.."

"I can't wait that long! Not in here! It's too.. Small."

"Well, you had your opportunity to sleep in a bed, but that wasn't good enough either."

"Oh, shut up."

"Urgh... Make it stop.."

"Oh, stop complaining!"

"Purrrrr"

Rarity looked up.
"Wh-what was that..?"

She looked over to Rainbow Dash, who was grimacing and fanning her wings.

"Sorry about that, Rarity..."

The realisation hit her and she gasped, repulsed.

"Do NOT tell me that was what I think it was.. You did NOT just break wind in here!"

A sickeningly warm, eggy scent hit her nose and her suspicions were confirmed.
Rarity's hoof shot up to her nostrils immediately, and she physically gagged on the sulphurous wind.

"That's revolting! I-I can't believe you did that!"

Rainbow Dash just rolled her eyes and uttered a harried "tsk" beneath her breath.

"S-sorry, Rarity. I can't help it."

"If we're going to be stuck in here we can't have you doing THAT -- oh, Celestia that smells foul! What in Equestria did you eat?!"

"That 'beef' stuff, I told you."

Rarity's nose wrinkled up. "Well it smells like it was off, whatever it was."

Eventually the hot stench of eggs diluted into the air, but the gas in Rainbow Dash's stomach certainly had not.
It wasn't like her at all to be considerate and well-mannered, but Rainbow Dash tried her hardest to not release any more gas; every time she felt some pool by her anus she just clenched nice and hard until it wormed its way back up.

Rarity sighed, sitting down against the wall and sighing again forlornly.

"Y-you haven't... How should I say.. 'Let off steam' in a while." She said coldly, looking over to her bloated friend.

Rainbow Dash grimaced, her stomach showing its disapproval of her holding her farts in with a loud growling.

"I'm trying not to, but Celestia does it h-hurt. I haven't had pains like this since that time I binged out at Bronco Bell and spent the whole night on the toilet with-"

"-Too much information, Rainbow Dash." Rarity interrupted with a disgusted look on her face.

"Urgh. I don't know how much l-longer I can hold it in..." Rainbow's voice trembled as the gas in her rectum finally won over and poured out in a long, low
"Brrrrrrraaaaaaaaaaaarrpt-prt-prp-prrp-put-put-put-pshooo~~"

She sighed, flapping her wings again and adding a brief chuckle.

"Told you I couldn't hold it in! D-damn, I wonder how long that one was!"

Rarity dry heaved. The smell hadn't even reached her yet, but the mere prospect and duration made her stomach reel.

"You're absolutely vile, Rainbow Dash.. Eugh! After this I'm not sure I'll even want to be associated with you!" Rarity flicked her head up snootily.

Rainbow Dash just laughed at Rarity's melodramatic behaviour.

"It's just a little gas! Everypony farts!"

Rarity averted as if the mere word itself angered her.

"No, Rainbow Dash, mares do not... Do.. That, they gracefully break wind when they're not in the company of others. You have no grasp of manners, do you?"

"Whatever. I bet your farts REALLY stink." Rainbow giggled, watching her friend sputter and gasp in shock.

Rarity just looked away from her friend again, holding her breath until she was sure the most recent fart had passed.

"So, what's your record?" Rainbow Dash broke the silence suddenly.

"Record? Record of wh-what?"

"Farts. You gotta have a record, even if it's just half a second."

Rarity's response was starved in a revolted gasp, and she rolled her eyes at Rainbow.

"How would I know? I dont exactly.. T-time my... 'Emissions'."

"Shame. My current limit's about fifty seven seconds. So close to breaking that minute mark..."

Rarity's jaw dropped in shock and disgust as she listened to her friend compare such a disgusting habit as flatulence to a competitive sport.
The word 'current' send a shiver down her spine.

"I- I wasn't even aware one could... Cut the cheese for such a length.."

"Are you kidding me? That's not even the best. I met a stallion once who could rip flank for almost two minutes. Two whole minutes! That takes talent."

"Wh-where did you even meet this stallion?" Rarity asked, not expecting any good answer.

"Think it was the Fillydelphia Flatcomp. I'm gonna win that one day.."

"Flatcomp? What in EQUESTRIA is that?!"

"It's a big event over in Filly. There are contests with ponies from all over Equestria for all sorts of factors; smell, length, volume; I've only won like three of the contests."

Rarity blushed hard. "H-have you..?"
She almost felt sick.

"Yup. Smell, volume.. Uh... Pretty sure I won moistness."

"M-moistness?"

"Yeah. How wet your farts are. It's pretty fun, but you get a lot of accidents with the weak ones." She chuckled at this, remembering one time she'd won to a stallion who'd let out more than just gas.

"And how.. Do they judge something like that?"

"Depends on which contest it is.
For the length, they obviously just time it.
For the smell, they get some weak little ponies strapped behind the contestants, and judge it based on which passes out first.
The wetness is pretty fun -- they make you fart onto a cloth, and after you've let loose the one most damp from the sheer wetness of the fart decides the winner."

Rarity was utterly disgusted, but at the same time everything her friend was telling her intrigued her, and it seemed as if talking was stopping Rainbow Dash from farting quite as much.
"And the volume? How does that work?"

"Oh, they have some strange little device thingie to measure it. Twilight would probably understand."

"This all sounds.. Complex."

"It is. I'm currently the leading champion in all but one category; gotta say it feels just great as a mare winning against a stallion."

On a couple of unintentional occasions around Applejack Rarity had been witness to her big brother's farts.
That foul smell of his flatus was still strong enough for her to perfectly recall now; the fact Rainbow had gone worse than that was truly shocking.

"And the length?"

Rainbow grimaced at the mass load of gas she'd been holding in just so she could talk.
"Yeah, I haven't won that one yet. I'm gonna this year, though."

"Who is this other stallion? The one who's champion for length."

"He calls himself 'the boomer'. He used to be the champion in all the categories until I beat him. Still can't touch his minute and forty second length record, though, and he knows it.
Last year, I only managed a forty-second fart and after showing me up by a minute, he proceeded to rip several ten second-long farts right onto my muzzle! I can see why he won smell all those years.."

"That's.. Quite impressive, I must say. That's a long time."

"Yeah, I know. I'm still convinced he's a cheater."

"Well, you are a mare and he is a stallion. I suppose he's just better."

Rainbow was outraged, and would have gestured wildly at Rarity had her gut not kept her animation limited.

"That doesn't mean anything. Mostly every contestant entering into that tournament is a stallion. There are only me and three other mares."

Rainbow Dash punctuated this point with a fresh release, lifting a leg to let the wet blast of wind escape.

"I-if you say so, Rainbow Dash."
Within a few seconds Rarity got wind of the latest gaseous discharge, and wrinkled her nose again.
The smell was not unlike that of a nauseously warm egg and cress sandwhich, although one that had been left in the sun for a week and perfumed by a skunk, Rarity thought.

It was going to be a long night...

CHAPTER THREE

Rainbow Dash grumbled and sighed, trying to turn over but the pain of her bloated stomach being too much to allow this.

She was still positively full of gas. If she had wanted to, she could have probably beaten the Boomer's record and left the enclosed room her and Rarity were in more humid than a sauna.

"I really don't know how much longer I can last, R-Rarity.."

She looked over, an anxious expression plastered on her face.
"It can't be too much longer now.. If you can hold it in till the morning you can go outside and just.. Let it all out," Rarity said, adding under her breath; "Maybe ruin some wildlife in the process..."

Rainbow thought about that; about just raising her rump up to the sky and just letting all of her gas out in one long, hazardous eructation.
Her colon seemed to react to this, sending a sudden wave of gas storming towards Rainbow's exit out of nowhere.

She yipped, legs spreading slightly as a sudden "braaapt" blew out noisily from beneath her like fanfare.

"Rainbow Dash! What did I just say?!"

"It snuck up on me!"

Rarity fanned her hoof in front of her muzzle and grumbled angrily under her breath.

"It feels pretty good, you know. You should fart more often."

Rarity scowled at Rainbow Dash.

"I do hope you're joking."

"Not at all. It feels just awesome to rip a good fart every now and then. I bet you have loads of gas all crammed up in there."

"Stop being so disgusting, Rainbow Dash. The smell is bad enough."

"Why don't you stop being so damn prissy and stuck up?!"

Rarity glared at Rainbow Dash.
"How DARE you call me stuck up! Y-you're both revolting and rude! I... I'm surprised the Wonderbolts even considered you."
She smirked, hoping her ammunition would have riled up Rainbow like she hoped.

"Um, because I'm awesome! Awesome unlike you! All you ever do is make dresses! You should have just stayed in Manehattan and never come back to Ponyville; we'd be better off without you!"

"You take that back! How.. How... How could you say that to me?! Take it back, you vulgar, uncouth pegasus!"

"Oh, so now you're bringing race into it, huh? Well at least I don't have some stupid horn sticking out of my head like a giant, bulging di-"

"Oh, that's it!" Rarity screamed, in the heat of the moment pouncing at Rainbow Dash.

The two ponies began to wrestle for dominance, pushing each other over and over and grunting furiously.

During all of this, Rarity had completely forgotten about her friend's excess gas, and found her face being thrown forward straight into Rainbow's thighs, her muzzle neatly pressing apart her two plushy buttocks.

Before she could even realise where she was, her dominator took her chance and gave a huge push, a large wave of hot, wet, eggy fumes rolling out of her anus in several long and wet gushes, each one resembling a drowning duck's quack in sound.

Rarity let out a shrill, feminine yelp, spluttering and blinking frantically in the tidal wave of effluvia as she continued to gasp and scream.

"Sniff that, you bitch!" Rainbow Dash shouted out with a grin, making sure her pucker was nice and aligned with Rarity's nostrils.

She retched loudly several times, breaking into a continual crying of "ewewewewewew" as she drowned in the noxious smell of sulphur.

"Wow. My farts really do stink!" Rainbow Dash laughed, sniffing her own product and thoroughly enjoying it.

Rarity managed eventually to come to her senses, using her magic to lift the bloated pegasus off and away from her.

"Hey! Put me down!" Rainbow Dash started trying to flap her wings, unable to under Rarity's spell.

Rarity turned as her cheeks expanded around her hoof. She swallowed her vomit back down and fell panting onto the floor, still violently retching at the horrifying smell of egg.

"That's going to be singed into my coat for WEEKS now, you... You..." Rarity sighed in surrender.

"J-Just please don't do that again... I apologise for being... Unkind."

Rainbow Dash snorted disapprovingly.
"You attacked me! It was just self defence."

"I kn-know.." Rarity shivered and exhaled loudly, still trying to recover from the attack.

Unable to keep focus, Rarity's spell cast onto Rainbow suddenly stopped and she sent her friend crashing down to the floor with a thud.

"O-oowww..." Rainbow Dash farted shortly and involuntarily, grimacing.

"Maybe you're right."
Rarity broke the silence suddenly.

"R-right about what?"

"Just... Letting "rip" on occasion; maybe it's something I should... Try."

Rainbow Dash perked up in shock.
"Really?!"

"Yes. I don't know if it's due to the fumes or being trapped in here for so long, but... I've decided I'd like you to.. H-help me, Rainbow Dash." Rarity ended this statement with a snooty 'harrumph', trying not to let her pretence of sophistication falter.

"Heh. You need help to fart? It's not hard, Rarity.."

"Well, I've never... Broken wind in such a way in the presence of another pony. You seem so... Non complacent about it..."

"Well, you just gotta realise it's nothing more than a natural bodily function. It's just a little gas, after all!"

"I see. Well, as embarrassed as I am to... Bring this up..." Rarity trailed off and looked away silently, blushing.

"Go on..." Rainbow leaned in.

"I... Have been feeling a little bit gassy.. T-tonight. Of course, I've been holding back my.. Releases until we get out, but I suppose the pains are making me a little grouchy, and getting rather tedious."

"You came to the right pony, Rarity! Apart from maybe Pinkie Pie; she seems to know a lot more about farting than a mare should...
A-anyway.. Face away from me with your rump in the air."

Rarity was taken back.
"R-really? Why?"

"Just do it Rarity."

She nodded hesitantly, resting her chest on her forehooves against the floor and raising her rear up in the air, crouching in a truly awkward position as she presented her petite pony posterior to Rainbow Dash.

Rainbow shuffled along the floor, a short and wet fart slipping out as she did so.
"'Scuse me."

Rarity scowled, screaming as she suddenly felt her tail yanked up.
"H-hey!"

"Shhh." Rainbow Dash began to poke and prod Rarity's tush, umming and ahhing every few seconds.

"Now how close is the gas from coming out?"

"Q-quite close." Rarity's stomach coincidentally rumbled at this point.

Rainbow Dash leaned her face in closer, just a few inches away, when suddenly something felt... Off.

She sniffed, and immediately dry heaved as a concentrated, noxious whiff of rotten, cheesy, steamed vegetables exploded in her nostrils.
Rarity had just ripped a silent-but-deadly.

"HOLY cow, Rarity!! Did you just fart?!"

"Y-yes. I said I was close."

"That's.." She sniffed again, "that's so gross! Do you eat out of the garbage or something!?"

"Not at all. A lady just knows how to maintain a balanced, healthy, sophisticated diet." She smirked, knowing she'd just had her revenge.
"Sorry my refined flavours are too.. Exotic for you."

"Whatever. You need to be a lot louder than that!"

"I don't see why; that's just absolutely uncouth."

"You just said you wanted me to help you."

Rarity sat down on her rump, sniffing the lingering vestiges of her stink bomb with a sigh.

"That is rather foul." She fanned a little with her hooves.

After a couple of moments of silence Rarity swayed her frame to the side slightly, and with a feminine grunt let a soft rasp escape from under her.

She sat back down in the gas, sighing in relief and smelling the new dosage.

Rainbow Dash soon smelt that sour stench and crinkled her nose a little.
"It smells like broccoli."

"Hm. I suppose it does a little. I think I can detect that Soupe à L’oignon I had for dinner last night."

Rainbow Dash, feeling now more at ease, decided to lay the packet of gas that'd been brewing for a few minutes now.

"Right. Well, I'd like you now to lie onto your back and spread your legs apart."
Rarity blushed.
"I-Is that really necessary..?"

"Just trust me."
Nodding slowly, Rarity laid back on the floor and let her two hind legs spread apart, wobbling awkwardly in the air as her groin was exposed to her friend.

"Ok, now we're going to deal with your lack of farting confidence." Rainbow Dash held both her hooves against Rarity's rear, almost as if she was expecting something to fall out into them.
"I want you to fart onto my hooves."

"Excuse me!?" Rarity looked over at Rainbow Dash, shocked slightly.

"Look, I've done this exercise with ponies before. I promise you it will raise your confidence."

Rarity shrugged a little, and as she began to feel another fart ready for departure she blushed, closed her eyes, and pushed slightly to let the whiny fart leak out onto her friend's hooves.
Rainbow Dash could feel her hooves bathed in the warmth of Rarity's gas, admittedly a little grossed out.

"Th-there. Was that acceptable?"

"I sensed a little hesitation." Rainbow replied, her muzzle wrinkling as the sickly smell attacked her again.
"Try it again, but this time I want you to look at me and grin."

"N-no!"

"If you can't even do that, how can you be confident enough to fart in general?"

Rarity rolled her eyes, looking down at Rainbow Dash and forcing a fake grin.

"Just wait a second, I can feel one.. Coming.."

The next few seconds were filled with awkwardness, until suddenly a short and quiet fart blasted out of Rarity's asshole. All the while she held her stare, blushing only a little.

Rainbow Dash nodded, and then out of nowhere she lowered her head down to Rarity's nether regions, pressing her nostrils up against Rarity's puckered anus and taking a strong whiff.

"Your gas is like a drug! It's bad, but somehow I just can't stop sniffing it."

"How could you want to inhale something as putrid as that?"

"You know, for a pony as prim and proper as you, Rarity, I never expected your farts to stink so bad." Rainbow comically fanned her hoof in front of her nostrils and giggled a little.

"Ok, so we have a couple more little tests to raise your confidence. These are a little more.. Uh... Extreme than the last, I guess. You're doing great so far, though.

"Wh-what are these tests, exactly?" Rarity stammered nervously.

Her friend merely smirked in response.

CHAPTER FOUR

"Wh-what!?" Rarity gasped in shock.

"It's essential, I assure you."

The next test Rarity had to pass involved acting as a cushion to Rainbow Dash, and being willingly face farted by her friend.

"These tests seem awfully arbitrary, Rainbow Dash."

"Look, I'm gonna let you in on a little secret here." Rainbow Dash sighed, sitting up straight and facing her friend.

"Wh-what?"

"I've done this before with somepony else; somepony else who wanted to fart a little more often too."

"R-really? Who?"

"Fluttershy."

Rarity gasped. "Fluttershy!? S-surely not!"

"Yep. I was having a slumber party at hers, breaking out the sick farts as usual, and she suddenly opened up to me and told me how she wished she could fart like me; she idolised me, apparently.
Well, I agreed, of course, and I went through my little tests like I'm doing with you. Now, it took her a little while to even build up the courage to fart in front of me, but eventually she did. Let me tell you.." At this point Rainbow Dash's faced wrinkled up a little in disgust, despite the lack of any fart gas in the room.

"Now your farts are bad, and when I train up for flatcomp my farts are awful, but both combined are nothing on Fluttershy. Her farts are... An experience. Honestly, after she let rip in her bedroom we had to evacuate the cottage before I passed out. I... I think a potted plant in there physically withered and died in seconds. It was like a fumigation!"

Rarity's eyes widened even more. "Oh, gosh."

"So we have to finish the test out in her garden, and slowly she began to open up... In more ways that one... I think I'm the closest anypony's ever been to Fluttershy's gas and lived. B-but anyway, you know how I said there were only a couple other mares at flatcomp?"

"Y-yes?"

"Well, after she passed my training, Fluttershy was one of them. I told her it was best to abstain from the smell round just because I feared for the other contestant's lives.. She's second in volume to me, though; that pony is a natural pro when it comes to farting."

"I never would've guessed." Rarity muttered.

"She's still kinda secretive about it, she said she refuses to fart in front of us guys in case we decide to stop being her friends. D-don't tell her I told you this, ok?"

Rarity nodded, a little reassured and still surprised.

"W-Well, I suppose I should really go ahead with the next test, then." Without any more arguing, Rarity laid on her back with her muzzle sticking up in the air.

"Ok; get it over with."

Rainbow grinned and chuckled, plodding over to Rarity as she turned and lifted her tail, her slightly sweating and plump rump bearing over her friend as it lowered slowly and rested over Rarity's snout with a light thump.

Rarity held back a gag as she could feel Rainbow Dash's body rumble over her, the gas groaning slowly towards her until a sudden "Braaaaap" rushed out and up her nostrils, the sultry stench of eggs all she could experience. She screamed a little, shuffling around but unable to wriggle free.

"Don't fight it, just sniff."

Rarity gagged loudly, cautiously taking little sniffs of the absolutely foul gas and shivering in disgust.
Rainbow popped out another couple of wet bubbles of gas, followed by a couple more and then another couple.

"Sniff deeply. Right into the bottom of your lungs."

Rarity sobbed quietly; she didn't want to, but she knew she had to.
Slowly she began to take a deep breath of the rotten fumes, a loud gag interrupting her attempts.

"I can't! I can't do it! I'm going to throw up; please get off!"

"That's natural. The gagging will come at first. I'm not getting off you until you can take at least ten deep breaths of this with no retching at all."

Rarity began sobbing a little louder.

"PLEASE, Rainbow Dash. It's disgusting. I really can't take any more."

"Yes you can. Just keep breathing it in. Deeply. Savour the gas on your tastebuds as you do so. Take it in like a rich, creamy toke of a pipe."

Rarity attempted to breathe in deeply again, getting a little further in her efforts but gagging and failing once more.

"I just can't do that, Rainbow Dash. I'm honestly going to throw up in a minute."

"Then throw up. I'm not getting off until you can do it. Here, have a refill."

Rainbow pumped out another juicy fart, Rarity screaming loudly and gagging again in response to it.

She tried taking a deep breath again, and at last she found herself able to do so. She went to take a second breath but was stopped immediately by a particularly wet gag.

"This is disgusting. This is absolutely disgusting."

Rainbow Dash simply didn't respond, keeping Rarity trapped until she was able to do as she'd asked.

Rarity took a deep breath again, and stifled a gag. She took another, and then managed to take another. Her lungs ached with the putrid gas she was filling them with, but she knew she had to carry on.

Six breaths.. Seven breaths.. As Rarity was inhaling an eight time Rainbow ripped a deep, squelchy fart down her throat with a loud sound like a frog. Rarity shook as she held back the strong urge to gag, taking the full breath in and then finally two more. Her lungs felt like she'd just inhaled a large amount of poisonous fumes, which in a sense she had.

"Ok! Ten! I d-did it! Please, please just get off me now!"

"Nah. One last thing."

Rarity was speechless. "Wh- Y- You said you'd get off!"

"I lied, but after this I will. I promise."

"Wh-what do I have to do now!?"

"It's simple. You just pucker your lips up, like you're about to kiss somepony, and you purse them over my butthole. The first time I fart you swallow it down to your stomach; get a good taste. The second time, I want you to breathe it in and hold your breath for about... Ten seconds."

"No way! That's just absolutely repulsive; even a pig wouldn't do something so vile."

"You have to."

Rarity went to protest, but realised it would change nothing. She sighed, and puckered her lips up, leaning forwards and pushing between Rainbow's two buttocks, feeling her lips press against something leathery and toroidal. She shivered.

"Ugh.. I'm still pretty full of gas, so expect these to be long.. Expect them to be nice and juicy, too~ Heh~" Rainbow Dash chuckled and focused her energy on her bowels, pushing gas down to her butthole.

Within a few seconds a wet ripping trailed from Dashie's asshole, the sound tinny and hollow as it released directly into Rarity's mouth. As instructed, she began to swallow the thick gas, feeling her stomach reel as the bitter and vaguely eggy taste plastered her mouth. She continued to gulp down the fumes for the whole seven seconds it was released, her belly growling in disagreement.

"Ahh.. Ok, now here comes the second fart."

As she felt it rush out, Rarity huffed in the noxious pollution until her lungs reached full capacity and held her breath, counting ten seconds before breathing out again slowly.

Once Rainbow had heard her exhale and woozily pronounce "done." She finally got off of her unicorn friend, leaving Rarity to slump over sideways and cough.

"Th-that was vile. Absolutely vile. All I can taste is.. EUrgh.. Methane."

"Excellent."

"May I ask why exactly that was necessary? Did you just want to see me suffer, because if so you have succeeded."

"Well, this is gonna sound harsh, but I just effectively traumatised you. It's all smarty science stuff; basically now your brain registers that event, and my farts, as significant. You will eventually start having a more positive approach to farts in general, if that worked out like it should have done."

Rarity looked over. "That's just cruel. I think I have more gas than oxygen in my lungs now."

"Well, the next stage might be more to your liking."

"What's the next stage?"

"This time you'll be using my face a cushion." Rainbow smirked.

CHAPTER FIVE

"And how will that help?" Rarity inquired

"You need to get rid of this feeling that farting is so uncouth -- farting in another pony's face is the best way to get over that fear, trust me!"

Rainbow Dash laid down ready.
"Come and gas me. I'll take it."

Rarity was still rather lightheaded from the huge number of farts she'd inhaled, but slowly she managed to trudge over to Rainbow Dash and take a seat on her muzzle.

"R-right. It's about time you got your just deserts."

"Give them to me."

Rarity closed her eyes. She was still a little embarrassed, but she knew what she had to do.

She lightly lifted her rump and let an airy and squeaky fart spew from it. The concentrated veggie fragrance hit Rainbow Dash immediately, who simply took it in.

She farted a second time, this time a little longer and a little stinkier.
"I must say, this is certainly relieving."

She giggled a little, pleased with the power she now had over her friend. She waited until another couple of farts tightly squealed their way out, smiling to herself as she began to smell her gas clouding around her.

"How did that one smell? Simply malodorous, I should hope. Be prepared: I can feel a remarkable one about to break free!"

Rainbow flinched as another stink bomb flooded her nostrils with the gross scent of cabbage and cheese.

"Ooh, that feels simply wonderful! It does! Oh, do take a hearty whiff!" Rarity seemed almost to be getting carried away as she ripped a few more of her raunchy gas bombs and giggled.

She didn't know why, but somehow she wanted to get a sniff of Rainbow Dash's farts again. Something inside her longed to hear and to smell her friend's gas.

Rarity pulled herself off her friend and sat opposite her on the floor.
"Oh, I feel like I'm having all the fun here. Surely you still have some of that gas to discharge!" Rarity let an odorous fart onto the floor, amplifying the squeal slightly.

"Oh, you bet!" Rainbow Dash announced, springing up and lifting her right leg up into the air, letting a fart bubble loudly between her cheeks; Rarity countered with a loud hiss.

Each pony's fart certainly reflected their personality; Rainbow's came suddenly and alertedly, blaring out from beneath her deep and wet, whereas Rarity's were softer, windier, and let the piquant scent of vegetables and cheese hang in the air with a sophisticated poise.

Rarity was rushed by the dense stench of rotten eggs again.
"Euch!"

"Mine smell better than yours!" Rainbow protested, leaking an angry poot in the process.

"Nonsense! Yours smell like repulsive, nauseous eggs. Hardly pleasant on the nose, is it?"

Rainbow cocked a leg and launched a wet fart in Rarity's direction.

Rarity scowled in appall and turned her backside to her friend, feeling the quick whip of squeaky gas escape from beneath her tail.

The smell of eggs and boiled cabbage combined into one noisome cloud of gas. Both ponies gagged on the offensive smell.

"Are you trying to compete with m-me?!" Rainbow Dash barked as she parted her tail and produced for Rarity maybe the wettest fart she'd ever heard.

Rarity immediately countered the attack with a whining, squeaking fart for about twelve seconds.

"Good one, Rarity! Just not good enough for me..!"

Rainbow Dash rolled over onto her side, grunting as the sudden shift of her belly caused a lengthy round of flatulence to barble out of her. She lifted a leg up while releasing, gasping as she felt her perineum moisten slightly under the humid fumes.

Rarity watched in both horror and amazement as the fart went on and on... Rainbow's face was one of pure concentration as the shift in her belly seemed to have freed a bounty of gas.

It just kept coming out, getting progressively wetter and louder. Rarity harmonised her friend with a release of her own, parting her legs as she emptied the last few seconds of gas from her bowels.

"Rainbow Dash!" She cried in disbelief. Rainbow's tail slowly flew in the breeze of her fart, which just seemed to continue and continue. Rarity had never witnessed a fart so long; the air around her was choked in the dense smell of Rainbow's own brand.

At a great length, it diminished down into a silent hiss. She collapsed back in exhaustion.

"My word, Rainbow Dash!" Was all Rarity could respond with.

"T-t-two minutes... Five seconds..."

"T-Two minutes and five seconds?! Really!?"

"I beat him! I can do it! I can beat his time!"

Rainbow dash sat up, panting but with a smile of pride.

"Whoa. I knew I could beat his time!"

From behind them the doorway into the security room clanged. The two ponies looked around in shock. The door slowly opened and from behind it stepped...
Twilight.

"T-Twilight? What are you doing here!?" Rarity blushed.

"I could ask you two the same question! It's midnight!"

Rainbow and Rarity looked at each other.

"I have a night job here as a security guar-" Twilight stopped in her tracks; her muzzle wrinkled up.

"WHAT is that smell!?" She coughed and waved her hoof around.

"It smells.. Horrible in here!"

"It's.. It's a long story." Rainbow Dash replied.

Twilight sniffed a little more, and the look on her face showed she'd just worked it out. She glared at Rainbow Dash, who grinned back.

"I-Is that beef I can smell?"

"Y-yeah." Rainbow admitted.

"Do you even know what beef is?"

"N-no."

Twilight stared at Rainbow for a second, but just broke out into laughter.

"Wh-what!?"

"Can you kindly let us out?" Rarity asked Twilight, who nodded and headed towards the exit door.

"This place smells like it needs some fresh air, anyway." Twilight pulled out a key and opened the door, a wave of cool night air washing into the room.

"Ahh! That's much better!" Rarity sighed, trotting out into the open. Rainbow followed.

Twilight closed the door behind them and they headed off towards Ponyville.

"Ooh, wasn't that just exhilarating!?" Rarity announced ecstatically.

"Sitting there and knowing Twilight was just breathing in our gases; oooh, it was so naughty!"

Rainbow offered Rarity a weird look. "I got the blame, you know that room was 80% your farts."

The two ponies giggled to themselves as Ponyville came into view.