Hug Blue Buns

by The Irish Brony

Rating: mature
Tags: Profanity, Human, Twilight Sparkle, Applejack, My Little Pony: Friendship is Magic, Fetish, Rainbow Dash, Porn, Sex
Length: 4748

With a mixture of heat, lust, growth spell, and the love of her life Joe, her human colt friend. She decided to fuck him while he is at his working.

This two-part story is about Rainbow dash in mid heat with a growth spell caused by an accident with Twilight causes the perfect storm of lust and love. The two grow and fuck until their heart's content, and for those who care, there is some lore in the second chapter about how the spell works.

Contains: Sex, macro and micro, butt sitting, macro on micro, dick, body, and butt growth, small amount of property destruction, and a little bit of lore for the funs.

Published 2021-12-22 01:20:01 UTC
Last updated 2021-12-22 01:20:01 UTC

Hug Blue Buns

Joe slumps against the apple tree before sliding down it and sitting on the ground. It is a hot day, the sun beating down on him while he was working in the apple orchard. He pulls on the neckerchief around his neck, letting the sweat and heat escape from his neck. He sighs as he takes a sip from his water. He hears a stick break from behind the tree as a curtain blue pegasus walks around the tree from the back.

"Hey hot stuff," Dash says with a slight slur to it. She chuckles at her joke and is followed by Joe chuckling as he places his water next to him. He gets a good look at her as his pants become tighter. Her butful multi colored hair was a mess, as usual, her eyelids half down looking at him with those butiful red eyes of hers, but the most significant was the tight rainbow socks that cling tightly to her butt and legs. The socks showed off the curvature of her butt, which was slightly bigger than her normal butt size.

Dash walked closer as Joe stared at her with a slight smile. Her rump swaying as she walks, entrancing him. Dash places a kiss on his lips and he kisses back, running his hand through her hair. Her lips are sweet like a popsicle, she even smelt like lavender. Dash separates from him and steps across him. Joe watches her as Dash rubs her plot against his chest. Her butt squished slightly against him. Joe glides his hand down her back and past her wings, causing them to puff up quickly and causing Dash to shiver and moan.

"Somepony's on their heat," Joe says as his hands trail off her plot. Dash turns around and looks at him with a sly smile.

"How did you know?" Dash asks in an inossent voice. Rasing her hoof to her mouth like a school girl that got cought.

"Lucky guess," Joe says as Dash leans against show chest, sticking her plot up in the hair. Joe wraps his arm around her neck and nuzzles her. She sighs and nuzzles back.

"I just wanted to relieve you of some.. stress," Dash says as her hoof trails up Joe's thigh and straight to his hard bulge.

"Looks like you need it more than me," Joe says, trailing his hand down her back, causing her to shiver and melt into him. He slides his hand onto her butt still in the air. He squeezes it, his fingers sinking into her rump. She moans in response before pulling away from him. Joe looks at her with a sarcastic sad face, causing her to laugh.

"Let's get those clothes off first before.." Dash says before showing off her plot by turning around and shaking it. Her butt slightly giggle, with her tail moving out of the way to barely give him a sight of her soaking slit. "We get too frisky," Joe unbuttons his paints and pulls off his shirt as Dash pulls down his pants and boxers. Joe shivers from his dick hitting the surprisingly cold air for summer.

Dash stands over him, his dick grassing her belly. She places her self chest to chest with him as she raises her butt up for him to see. "I hope you are ready. I'm going to rock your world for everyone else to be jealous about," The two kiss as the magic covers Dash's body. She shivers and moans into his mouth as she and her butt grow. Her plot plumps up as she gains a little bit of height. Now standing at the same size as a normal stalion. Joe watches as Dash's plot grows bigger and bigger as her socks stretch and push against her growing butt. It stops as Joe slides his hands down to her plot pushes his hands against her rump. It squishes in as Dash moans into his mouth from his touch.

Her hoof drags down to Joe's dick. She slowly strokes it as she separates from him. He shivers as Dash sits down on his legs, her plot morphing around him. He massages her thighs as she keeps rubbing his dick. She licks her lips before standing up and bending over. Her plot in the air with her mouth close to Joe's dick. She plunges his dick into her mouth, taking in half of him at once. He sighs as Dash starts boobing up and down his dick. Her butt swaying back and forth happily, entrancing Joe.

"Everyone probably loves looking at your big blue butt," Joe says. He grunts in pleaser as Dash moans against his dick. The magic caused her to grow again. Her plot expands bigger, causing it to be wider than your body. Her socks seemingly growing with her butt, but still staying tight to her body. She stops growing and is now the size of luna.

Joe's hands slid up her back and squesh her plot. She moans as his fingers dig into her rum, pushing her closer to him. "Everyone love's when your butt grows," Joe says, massaging his fingers into her butt. SHe moans as her bobbing speeds up and looks up at Joe with lust. Her rump grows again, getting bigger and bigger. Joe's fingers start to sink completly into her rump. Her cutie mark stretching to fill up the size of her rump as it expands bigger. Joe moans and sighs at the nice feeling of her tongue and lips against his dick. He lets gow of her plot and watches her giant plot giggling slightly with each bob of her head. She pulls off of him, causing him to grunt in sadness and irritation.

She looks up at him with a sly smile before saying, "Everyone will be jealous of your big cock." She then turns around and slams her plot onto his dick. Her plot surrounding his cock caused Joe to moan from her soft fur and squishy plot touching his bearskin. She sits against his stomach before the magic starts to trail down her body and to his dick.

Joe shudders as he feels the sensation of his crotch growing. He moans as his dick becomes longer and thicker. His cock pushes against the sides of her plot. Dash moans as his dick slides and pushes against her slit as precum slides down Joe's dick. His dick stops growing, now it stands at a foot and a half and 6 inches thick. Joe sighs and hugs her big plot as he pulls her closer to him.

"It's getting hard to say everyone in a sentence so that it makes sense," Joe says. Dash looks back at him with bedroom eyes and a lustful smile

"I do agree with thaaa..." She is cut off when the magic touches her body again. She moans and shivers as her body grows. She pushes her butt against Joe as it grows. He massages her cutie mark, causing her to moan louder and to drip cum onto him. Her socks pushed into her growing chubby rump. He feels the tingling of the magic as his dick grows bigger. Her butt now surrounds his stomach with only his dick pocking out at two feet long and a foot thick.

"Everyone must be jealous of you right now," Dash says through her moans. The magic revs up again, causing Dash to cum onto Joe. Her rump growing and stretching, surround Joe in it's flabby but magnifisan furry skin. Her body growing taller, causing her to be longer then his legs. She grows to the size of Celestia with her butt two times the size of Celestia's. "Hit my ass please," Dash begs. Joe looks at her confused before slapping her ass. Her plot giggles like jello as Dash lets out a loud high-pitched moan. Joe chuckles to himself.

"That's good to know for later," He thinks as Dash stands up. Her shadow covered him up. Her butt covered the sun from him.

"Now lay down Hunny," Dash says, stepping off of him. Joe shifts uncomfortably from being called Hunny before laying down on the grass. Dash lays on top of him with her rump on his chest and with her cradling his cock in her front hoofs. Joe has a sight of her big dripping slit with her enormous rump. He grabs and gropes her plot. She shivers and moans before Joe plunges his face into her plot and starts licking her slit.

"So that's how it's going to be?" Dash thinks before taking in half of Joe's dick in one movement. She chokes, causing Joe to grunt and thrust his hips up into her mouth. She recovers and starts bobbing up and down while licking up his dick. Joe moans as he speeds her slit and slides his toung inside of her. She moans at the combination of his hands sinking into her giant rump and his toung sliding against her walls of her insides.

Joe pulls out and coughs up precum before saying, "Everyone must be jealous right now." He then goes back to groping her plot and licking her slit. She shakes and moans as the growth magic covers her body again. Her wings stifin even more as she grows bigger. She scoots back as she grows as to not let go of Joe's dick. Her butt starting to become to big for him as it cunsoms his face. Joe now having to hug her ass to bable to grop it. He slaps her ass, causing her to yelp and moan in pleaser. The two are starting to get built up, both racing to make the other one cum first.

Joe grunts and thrust hard up into her mouth. Dash smiles and trails to the head of his dick as thick warm cum slids down her throught. Joe relaxes as he thrust a little with every wave of cum. It finally stops as Dash swallows the last drop and pulls off of him. She quickly stand up and walks off of him before the magic hits again.

She lets out the loudest moan as she crumps to the ground. Her plot stuck in the air as it and her grow fast. Joe sits up and watches as Dash's plot doubles in size, then doubles again. Her body growing to try and match her plot. She moan with every wave of grouth. Her plot now the size of a normal pony, her cutie mark alone the size of a filly. Her body was now three times the size of Celestia. It finally stop as Joe stands up and looks at the Hug Blue Buns in front of him. He walks up to Dash and place a gental hand on one of her massive butt cheeks. He pushes in and his hand is consumed. Her fur surrounding his hand is soft just like her butt. She moans quietly at the touch as she tries to recover.

"Looks like someone needs some help from a certain someone? How about we get everyone to help out?" Joe says with a mastchevius smile. Dash's entire body shivers as her slit pores out cum. Her butt giggleing from just her shivering. Her body starts to grow again, but at a more reasonable rate. Her plot grows bigger, now both butt cheeks the size of a regular pony. Dash is now just a mess on the ground as she repeats the same few word.

"Please rut me, please rut me.." Not to disapout his mare, he does his best to line up his dick with her slit. He slowly pushes in untill he is barred hip deep into her soft squshy rump. He can no longer grab her butt, so he desids to do the next best thing. He starts thrusting while slaping her plot. Her plot giggles with every thrust and every hit. Dash shakes, grunts and moans with every thrust and hit. Her butt and Joe's hand start to turn red.

"If you can hear me, try and help a man out her for everyone?" Joe asks as he starts speeding up his thrust and hits. Dash moans at the speed as she tries to concentrate on him as the magic takes over. Her plot grows slightly as most of the magic finds its way to his dick. Joe moans as his dick grows inside of her, getting bigger with every thrust. Her tight walls constrict around his dick. Dash moans in response with every wonderful thrust from Joe.\

His dick pushes against her walls. She lets out a loud moan as she cums agains, allowing Joe to pick up more speed from the added lubrication.

"Dash," Joe says with gritted teeth. "I'm going to blow!"

"Inse me please," Dash says over and over again as Joe thrust harder and faster. His thrust stop as he bares himself deep into her rump. Giving one last hit of his hand to her plot.

Dash lets out a loud moan as stings of cum push into her. Then comes a wave of pure growth magic for every thick string of cum. First she grow a foot, then her plot gets wider, she grows five feet as her plot is now all Joe can see. He leans against it as he enjoys his after glow. He still shooting cum into her. She grows again, and again, and again. Her plot getting bigger and wider with every growth till Joe finally stops and the growth stops too.

Dash is now the same size as the apple tree when she is laying down. Her plot the size of two barns, and Joe laying on the ground looking up at her rump, wondering how to fuck those socks didn't rip off.

"Where is he?" Applejack says as she walks through the apple orchard. "He's late for lunch, and once I find is overworking flank I'll..." Applejack stops when she sees something big and blue with rainbow hair up ahead of her. She trots a little faster to find a giant Rainbow Dash taking a nap in her orchard. Joe is sitting against one of Dash's massive butt cheeks. He's napping too with a big smile on his face with half his body indented into her flank.

Applejack quickly turns away from the naked Joe before thinking, "I'll just tell Granny that he left early and leave the two love birds alone." She walks away with a small smile on her face. "It's still sweet to know Dashie has a station who loves her just as much as she loves flying,"

Hug Blue Buns: The Return of The Giant Butt

Rainbow Dash wakes up groggily, opening her eyes as the sunlight bombards her eyes like lasers of pain. Her head compresses in pain like a ring around her head trying to squash her brains out. She closes her eyes as she rubs her head with her hoof. She sighs as she feels a small presser to her right rump. She turns and slightly opens her eyes to see Joe napping against her massive rump. She closes her eyes and chuckles as she tries and think what happened.

"I was in heat and couldn't take it anymore. So I decided to pay Joe a visit with rainbow socks... not my best choose in sexy wear. We then started to have fun, then I started to grow and.. and..." Dash's mind goes plank as all she remembers is bliss and pleaser. "What happened? I must have had a few growth spurts. I am the same size as the tree while sitting." She feels Joe stir against her plot. She opens her eyes slightly again. The sun started to not hurt her eyes as much. Joe was now laying faced towards her with a hand sliding across her giant cutie mark. He was looking at her socks in slight confusion.

"Hey down there, how you doing?" Dash whispers, her ears ringing from her own voice in her head. Joe looks up and smiles at her.

"How the hell did the socks not rip?"

"I found out that anything attached to me grows with me," Dask says, closing her eyes and trying not to throw up her stomick.

"That explains why you can grow me when I'm touching you," Joe says, slightly pushing his hand into her butt. She shivers at the touch before opening her eyes. The fog and pain now cleared from her mind as something els starts to bug her.

"So how was I in the middle of heat?" Dash asks, laying her head down on her front hoofs and turning to look at Joe.

"You were.... strange," Joe says hesitantly. Dash rases an eyebrow at him. "You called me hunny." Dash opens her mouth and her eyes slightly widen.

"Oh.." Dash simple says.

"Ya.. I also found you have an interesting kink," Joe says with a wicked smile as he removes his hand from her rump. Rainbow whins in her head when he removes his hand from her. Her body starting to slowly feel strange again.

"What's going on with me?" She thinks as she moves slightly uncomfortable. "What did you find out about?" Dash asks slightly worried.

"This," Joe says, slapping her ass, causing it to giggle as Joe recoils in slight pain from the skin to skin hit.

Dash's eyes go wide as a moan forms in the back of her thought. She lets out a high-pitched moan loudly slips through her lips. Her body now feels like it's burning up on the inside. "Shit! the spell must cause more then one heat wave to!" She thinks, but it's to late. Her body and mind was now taken over by the great feeling of Joe's hit. Her body shivers at the idea of having Joe's dick in her again. Her slit getting wet at the want of a dick to cum inside her. She now had little control as her mind fluids with multiple ways to fuck the little human.

Joe looks at her confused as she stares off into space. He stands up and waves his hand in front of her giant face. "Equestria to Dashie?!" Dask blinks a couple times before a cocking smile wider then normal spreads across her face. Her eyelids lowering half way down as she looks at him with lust. Joe's heart sinks as he realises one of Twilights' warnings.

"With a spell we know little about, we have know idea what is could do to a living thing. So if Dash goes into heat before we remove it, then make sure not to do anything to sexy after, or els it might trigger another wave of heat. It might be even greater then the last to. It might even cause Dash to not be able to stop her self, so please be careful" "Thanks for reminding me after I fucked up Twilight!" he yells at his own flashback as Dash stands up.

She stands almost twice the size of the apple trees around them. "Shit," The two think at the same time as Dash turns around. She shows off her magnificent giant ass to Joe. Her rump is the size of a barn. Her rump swaying in the air, slightly giggling with the air pushing against it. She then lowers herself down hard and sits on Joe. He was in complete stun before the blue ass came down onto him. He was now squashed between her giant rump. His back is flat against the ground with his dick hardening as the sensation of her soft, furry rump against his skin.

Dash smiles and flexes here rump mussels, squishing him between her ass cheeks. "Damit! I hope he takes my apology after this," Dash thinks as her body speaks for her. "Joe, I think you need a little help from everyone with this magnificent mare sitting on top of you!" Dash's voice booms like the royal canterlot voice Luna used. Applejack from her house sees the giant Dash. She looks nervous before thinking, "I'm gonna get Twi," Applejack runs off as Dash continues to toy with Joe.

"So is this what the heat actually feels like?" Dash thinks as her body is covered in magic. Her tongue hangs out as her eyes roll back. Her body shooting with pleaser as the magic slides down towards Joe. The magic felt like Joe's hands sliding down her body and past her rump. "But dam! dose it feels good to be this big,"

Joe grunts as the magic surround him, causing him to grow underneath her rump. His body forces against her cheeks as his dick starts to scrap against her butt. He stops growing as his head pops out the top of her ass with his dick slightly penetrating her slit. She shivers as a deep moan shakes the area around them.

"Dash?!" Joe yells in concern. "You ok?!" Dash scoffs as she turns around to look at him.

"I feel great! I'm the best fucking mare in Equestria right now!" Dash says. "But I would feel better if your dick was inside by big ass, so lets see how many everyone's it takes to get you as big as me." Dash shakes a bit as the magic washes over and down her body to Joe. "Wait, if I'm still here, then who is controlling my body?" Dash thinks as Joe moans. His body pressed against her rump causing her to moan. His dick now slides into her slit, causing her to let out a sigh of pleaser.

"Everyone, everyone..." Dash keeps saying it as Joe keeps growing. His dick sliding into her slowly as his body starts to grow to big for her to sit on. Joe moans and grunts as the walls of Dash's slit clamp down on him as she seems to get smaller. His head hits a tree, causing him to reposition. That's when he realizes he's big enough to move her again. He smiles and grabs her plot, one big blubbery cheek in each hand. Her wings spread out, causing high winds to blast out in all directions, shaking the tops of the trees as she squeaks in surprise.

"Is he going to do what I think he's going to do?" Dash thinks as Joe pushes her off of him. She lands on her feet, causing a few trees to fall over from her force. He quickly stands up, now quite a bit taller than her. Dash's eyes widen as her ears flop down to the sides of her head. "Know you get a fucking moral you slut!?" Dash yells at herself as she tries to run, but is grabbed in the sides by Joe.

He sits down and places her on his lap with his dick between her butt cheeks. His dick was now way too big for her, in fact, it was almost the same length as her.

"Please, no.." Dash pleads with Joe. "This is what you get!..me?.."

"You'll grow a little so you can be my personal fuck toy so I can get my Rainbow Dash back," Joe says. "Everyone," Dash shutters as she grows again. Her butt grows wider and thicker as she gets taller. She is now up to his chin.

"I'm going to feel this tomorrow," Dash thinks as she is lifted up and over his dick. He slowly slides her onto his dick, causing her to shiver and moan with every inch of his big throbbing dick that slides into her. "At least it's going to be pleasurable,"

Twilight and Applejack teleport in to see the two giants about to have sex. "You were not kidding when you meant they were hyper grown," Twilight says in awe while looking up at them as Joe slowly slides Dash all the way onto his dick. Twilights wings flare out and wak Applejack in the face.

"Watch where you spread those wings of your's!" APpljack yells as Twilight as she brushes her wing away from her face. Twilight bashfully pulls her wings down as Dash lets out a high-pitched moan. The two look up to see the par growing again. Dash's plot starts to destroy the nearby trees with its size alone. "We need to stop this before they kill the entire town?!" Applejack yells at Twi.

"I know, I'll see what's going on," Twilight says as she casts a spell on her. She starts growing bigger as Applejack moves backward. Twilight grunts and lets out little moans as she grows taller. Applejack runs away to a nearby tree as Twilight becomes the same size as Dash and Joe. The two see Twilight as Dash gets computable on Joe's dick, rubbing her rump into his lap.

"What's going on?" Twilight asks.

"Dash has gone bat shit crazy with lust and I'm about to fuck it out of her," Joe explains.

"Nu-uh," Dash says, crossing her arms and pouting like a little filly. Joe lightly thrust causing Dash to melt into Joe's arms that are wrapped around her body.

"See,"

"I do, just give me a sec," Twilight says as she casts a spell on Dash.

"Dash, you in there?"

"Twilight! is that you! Thank celestia! Some slut has taken over my body!"

"That's you Rainbow. It's just the sex drive taking complete control. You'll stop at nothing now to have sex. I think the spell cause this and.."

"Please don't remove the spell!" Dash interrupts Twilight, causing her to visible move back. Joe and Dash look at each other and shrug.

"I have to, or else this might happen again next year, or maybe sooner," Dash's mind goes silent as she thinks about it.

"Please find a way to make the spell not do this and reapply it later,"

"Deal, now I'll let Joe fuck the living tarderis out of you and then we can safely shrink you back down and remove the spell," Dash mentally nods as Twilight starts shrinking. "Fuck her, then well shrink you two and remove the spell from her before we can find something safer," Joe knods as Twilight returns back to normal.

"So?" Applejack asks, walking up to her.

"Well wait until after Joe literally fucks the slut out of Dash and then we can return them to normal and remove the spell so this doesn't happen again," AJ smiles and nods as the two sit down and chat as Joe returns to his prize.

"How about you don't and we return back to normal size?" Dash asks, looking up at Joe. Joe smiles and shakes his head no.

"I want my Dashie back, and I'll fuck you out of her," Joe says before raising her up and trusting her down as he pushes his hips up to meet in the middle. His hips met with her rump, causing waves to vibrate up her butt and body. She shakes and moans as Joes thrust, using her as a sex toy. "I will say everyone must be enjoying the show," Joe says, looking down at Twilight and AJ. Twilight's wings are fully straight again as she plays with herself. Applejack shook her head in disaprovel. Dash melts into him, now unable to move as she spasums with pleaser.

"Oh dear Celesti, I need to remember to have him dominate me more often. This feels amazing!" Dash thinks as the haze sets in and her climax starts to build.

Joe thrust faster as her rump grows and stretches. Her plot now as big as the smallest mountain. She now sits at the same height as he is. He starts to build up as her butt hitting against his legs start to become too much. He grunts as her vice-like slit grips down on him. He slides her down hard and hugs her into his body as he cums into her, but non of it goes into her as it magically disappears. The two relax as Twilight's horn stops glowing.

"Din't want another growth spurt," Twilight thinks as Dash looks up at Joe with a genuen smile.

"Thanks for the help big guy," Dash nuzzles into him.

"You're welcome my angel," Joe says, hugging her as the two starts to shrink back down.

Author's Note

This story has been my favorite so far to right and might be the last of Dash for a bit as other ponies start getting into the shenanigans.