TeePee's Pastebin Clops

Chapters

Spike vs the Bladder Stone
Mommy's Special Surprise
Mommy's Special Surprise 2

Spike vs the Bladder Stone

Spike was just about to finish up his morning chores when a sudden yelp of pain startled him, causing him to drop Obscure Unicorn History Vol. 3 from the top of the ladder and making a loud thud as it hit the hard floor below.

"Twilight!?" he exclaimed, suddenly worried about his best friend and housemate.

There was no reply.

He quickly descended the ladder and ran towards where he thought the sound had come from - the bathroom. His heart beating rapidly, he knocked on the door.

"Twilight, are you in there?" he asked worriedly.

A pained moan came from inside he bathroom, followed by silence.

"Is everything all right?" he asked.

"It's... fine! Everything is... okay!" came Twilight's stammering voice from inside.

Spike was relieved to hear her voice, but it was obvious that something was wrong. She sounded like she was in great pain and on the verge of crying. He sighed deeply.

"Don't lie to me, Twilight. I can tell something's wrong."

She was silent for a while, before finally a reply came from the other side of the door. "I'm just... constipated. Yes, that's it. Don't come inside."

"I'll get the laxatives!" Spike quickly told her, and began to head for the kitchen.

"No! I'll be fine! Just... leave me alone!" she immediately exclaimed, causing him to stop.

He sighed again. "Oookay... if that's what you want." he said. He waited for a while, but no reply came, and he was just about to head back to finish his chores when her voice came from inside the bathroom again.

"Wait... don't go... Spike? Are you still out there?" she moaned.

"I'm still here." he replied.

"I'm sorry, Spike." her voice sounded weakly from the other side of the door.

"What for?" he asked genuinely.

"I thought I could deal with this by myself, but I can't. I need your help, Spike."

"Of course I'll help, Twilight! What do you need help with?" he replied eagerly.

"I... I think you'd better come in..."

Not wasting a moment, Spike flung the door open to see Twilight sitting on the toilet.

Her mane was a ruffled mess, her forehead was dripping with sweat, and it looked like she had been crying. The tip of her tail seemed to be dipping into the toilet bowl, and she either hadn't noticed or didn't care. Upon seeing him in the doorway, her eyes began flooding with tears.

"Whoa, that must be a pretty bad constipation." Spike thought out loud.

"No, Spike... it isn't." she said. "I'm not sure, but from what I remember reading in medical books, I think it's a bladder stone. I can't get any pee out, and it hurts... bad..."

Spike listened intently, a worried expression on his face as his closest friend explained her problem. "So... what can I do to help?" he asked.

"I think it's gotten stuck in my urethra, and I need to get it out..." she explained.

"Your what?" Spike asked, scratching his head.

"My peehole, Spike." she explained, mildly annoyed.

"Oh."

"Can't you use your magic to get it out?" Spike asked.

"I... I can't. I can't concentrate enough to achieve the necessary precision in my current state." she explained. "Maybe if we had a long smooth object, you could slide it in and try to dislodge it..." she suggested.

Spike thought for a bit, trying to think of any suitable objects they might have lying around, but everything he could think of was either too thick, too short or had pointy bits that could hurt Twilight.

"Can I take a look?" he asked, blushing a bit from embarrassment at asking his childhood friend such a thing.

She spread her legs and lifted her rump off the seat a bit, giving him a full view of her privates and teats.

He tried to suppress his arousal as he parted her nether lips with his fingers, but the pleasant smell of mare urine and crotch sweat was making it hard for him. Probing around inside her for a bit, his claw finally found a smaller hole at the top of Twilight's vagina, and a weak yelp from Twilight confirmed that he had found the correct hole.

He tried to poke his finger further in, but he couldn't feel anything with his short index claw. As he pulled it back out, it was followed by a trickle of dark pink-tinted urine.

"I can't reach it with my claw. It's too far in." he said dejectedly.

"Um... Spike..." Twilight said, suddenly staring at something below him with great interest.

He looked down to see to his horror that his penis had begun to grow hard.

"I'm sorry, Twilight! I didn't mean to..." he began flailing for an explanation. "I can't help it..." he finished lamely.

"No, Spike... I have an idea!" Twilight said, her face suddenly lit up despite her pain. "I remember reading in a..." she blushed slightly and paused for a moment before continuing "...purely scientific book about dragon reproductive anatomy that dragon penises are long and thin. Yours isn't even fully grown yet, and it's already longer than your claws!" she added.

"What are you suggesting?" he asked Twilight, suspecting he already knew the answer.

"Well... I hate to ask you this, seeing as I'm like a sister to you, but..." she said, almost visibly shrinking with embarrassment. "... maybe you could try to use your penis to dislodge my bladder stone... unless you have a better suggestion."

Spike wasn't exactly proud of it, and had often wondered what Rarity would think if she saw it. Even though he knew Twilight had seen it before, and even touched it when they were younger and used to take baths together, it still embarrassed him to be seen like this. He was a teenage dragon now, dammit, and he wished he had a huge thick veiny stallion cock like Shining Armor's (which he'd of course only seen because Shining Armor also used to take baths with them when they were younger... his imagination may have exaggerated his memories of it a bit) that he could proudly show off to his marefriend. Not that he'd ever had a marefriend anyway... Rarity always seemed to just brush him off as a little kid, and other mares rarely paid him any attention at all. Except maybe Fluttershy, but he wasn't quite sure how he felt about that. Nevertheless, she had a point. He couldn't think of any better ideas, and he hated seeing his best friend in so much pain.

"Of course I'll do it, Twilight. A true friend always helps a friend in need." he said with determination. A weak smile spread across Twilight's face.

"All right, let's do this." Spike announced. Twilight spread her hind legs again, hoisting her butt off the seat again and pointing it towards him as he climbed onto the toilet seat. "I'll need to get it fully erect and lubed up first." he explained, as he began to rub his shaft between Twilight's nether lips. The warm wet sensation of her pussy lips rubbing against him, combined with the musky smell of hay and urine rising up from the toilet bowl sent his arousal into high gear, causing his penis to rapidly grow to twice its length. Twilight started at it in amazement as it continued to grow. Even she had never seen it fully grown, and now that he looked closely, Spike wondered if it wasn't longer than he'd ever seen it himself before. Despite her pain, Spike could feel Twilight's pussy becoming more moist and slippery with marelube as he continued to rub against her lips. Apparently he wasn't the only one getting turned on. As his penis showed no signs of further growth, he slid his hand in between her dripping pussy lips, coating it with her natural lube, and carefully smeared it across his entire shaft.

"Yes... be gentle, please..." she replied, a smile spreading across her face through her pained expression.

With his right hand firmly gripping his long pointy cock, he slid his left hand back inside her and locating her tiny peehole. Using his claw to pull it open, he positioned the tip of his cock at its entrance and pushed. She let out a moan of pain and pleasure combined as the tip of his penis slid inside her tiny urethral opening and began to push its way in towards her bladder. The tightness of her peehole squeezing his dick felt incredible as he continued to slowly push inside her.

Suddenly, about half way in, he felt the tip of his penis push against something hard, causing Twilight to let out a pained yelp. He tried to push a bit harder, but it wasn't budging.

"Ow! Stop! It hurts, Spike!" Twilight yelled, her eyes tearing up from the pain. "Maybe this wasn't such a good idea after all..." she mumbled.

"Just pushing doesn't seem to work, but maybe if I could get your urethra to expand around it..." Spike suggested.

"How?" Twilight inquired.

"I'm gonna try to pee on it. Maybe the pressure will stretch your peehole a bit."

Twilight stared blankly at him for a moment. "That... could work." she conceded.

Spike closed his eyes and tried to relax. Peeing with a full erection was easier said than done. Especially with a tight pony peehole squeezing it. Finally, after imagining flowing water for a while he was able to relax enough, and he felt the flow starting from his bladder, making its way through his long erect penis and squirting weakly into Twilight's blocked peehole. Twilight let out a soft moan at the sensation of his fluid starting to fill her obstructed urethra. Spike pushed harder, adding force to the flow. As the narrow passage filled up, it became harder to pee inside her, and pink-tinted drops began to trickle out around his shaft. He pulled his penis back out a little and thrust back inside, making sure not to go too far and hurt Twilight.

"I... I think it's working!" exclaimed Twilight excitedly. "I think I felt it move! Thrust harder!"

Taking her suggestion, he began to thrust in and out of her peehole, causing squirts pink-tinted urine to spray out with each thrust, and Twilight to moan louder and louder. Her moans seemed to have changed from pain to pleasure. "Yes! Thrust harder and faster! I can feel it moving inside me!" she encouraged.

Suddenly, with what felt like a "pop", the pressure disappeared in mid-thrust, as the stone slid back into her bladder, causing Twilight to let out a loud moan of pleasure and relief. As his penis hilted inside her, Spike could feel the warm wetness of Twilight's piss engulfing him. The pressure of Twilight's bladder, already stretched to its bursting point from being unable to pee and now with the addition of his own pee and the bladder stone, began to squeeze its way around his dick. Twilight let out a gasp of pleasure as the sudden relief caused her to orgasm, dark pink-tinted urine spraying out around Spike's cock and splashing all over the toilet seat and floor. An overpowering smell of urine and hay began to rise up all around Spike, further fueling his arousal. The sensation of Twilight's flow massaging his dick quickly pushed Spike over the edge too, and he felt his body starting to spasm and thrust involuntarily against her as he shot load after load deep inside her bladder. As their orgasms subsided, Spike slumped down, resting against Twilight's belly, both of them panting heavily.

"That was... intense..." Twilight said after a while, breaking the silence. "... are you peeing inside me?" Spike nodded silently. He was too exhausted to pull out. "Don't stop." she added.

Once they regained their breath, Spike pulled his now flaccid and rapidly shrinking penis out of her peehole with a soft wet pop, followed by a trickle of dark murky urine, and climbed down from the toilet. Twilight readjusted herself on the toilet and a soft hiss started as she began to piss out the remainder of Spike's urine and cum.

She was positively surprised when with a loud plopping sound, the remnants of the bladder stone, which had apparently broken into several pieces shot into the toilet bowl.

Later, after they had finished cleaning up and taking a shower...

"Hey, Spike..." Twilight said, suddenly looking up from a book she had been reading.

"What is it, Twilight?" he wondered.

"I was thinking..." she began. "How would you like to help me stretch out my urethra more often?" she asked. "You know, just in case I get another bladder stone." she added, blushing a bit.

"Any time you want, Twilight." Spike replied, a grin spreading across his face.

THE END

Mommy's Special Surprise

"Maybe it's in here…" Button mumbled to himself as he opened another cardboard box and started digging through its contents. He was looking for a particular game he hadn't played for years, and when he was unable to find it, his mom had suggested that he look through the boxes in the attic. He had already gone through several boxes, and while he'd found quite a few games, the one he was looking for remained elusive.

He was immediately disheartened when he saw the contents of the latest box. It looked to be full of old shelf ornaments and similar junk that was of no interest to him, and most of which he'd never even seen before. Nevertheless, he decided to poke around in it. He was about to give up, when underneath a particularly ugly statuette, he spotted something that looked like a game box. He immediately proceeded to dig it out in order to study it more closely.His heart sank. It wasn't the game he was looking for. Rather, it appeared to be a dusty old DVD box.

On the cover was a picture of several mares staring seductively up at him. "Must be one of dad's old porn movies…" he thought to himself. Even if it wasn't what he had been looking for, we was curious about this discovery, and decided to drop the search for the time being and bring the DVD back to his room for closer examination.

"Did you find what you were looking for, sweetie?" his mom shouted from the kitchen as he came down the stairs again.

`"Yes, mom!" he quickly replied, before darting into his room. Without delay, he opened the DVD box and inserted the disc into his computer. This was gonna be good.

A pool repair-stallion drove up to a house and knocked on the door. After a while, the door was opened by…

If Button had been drinking something at that moment, it would almost certainly have been sprayed all over the screen by now, for there was no mistaking the mare who opened the door.

It was his mother. Probably 10 years or so younger, but her all the same.

For a moment, he considered just stopping it right there, putting it back in the box in the attic and forgetting about it, but his curiosity somehow kept him from doing so. He was unsure how he felt about this, but he just couldn't resist the temptation to keep watching.

The two ponies talked about the broken pool briefly, before quickly getting onto the topic of how lonely and horny the mare was. The pool was all but forgotten as the stallion started feeling the mare up while shitty disco music started playing in the background.

Soon, the stallion lied down on the couch, and the mare - his mother - was on top of him, moaning as she slid her marehood up and down on his shaft.

"Ew, mom!" he muttered quietly to himself.

His penis, however, seemed to think otherwise. As he watched with a sort of morbid fascination, he felt his it starting to grow, and soon he was stroking his shaft.

After a while, his mom told the stallion she had to use the bathroom and lifted herself off of his wet sticky stallionhood. For a moment, Button thought that was it, but then something unexpected happened.

A sigh of relief escaped his mother's lips as she began urinating on the stallion's cock.

The stallion grunted with plesaure and began to stroke himself as the mare's piss flowed around his rock hard member.

"EW, MOM!" he exclaimed, a little louder than he had intended to, but continued to stroke his now erect penis as he watched the events unfolding on the screen. He was pretty sure he wasn't supposed to, but he still found this strangely arousing. His breath became heavier as he continued stroking himself, gradually increasing his pace, his eyes firmly fixed on the powerful stream shooting out of his teenaged mother's vulva and splashing onto the stallion's cock. He was getting close to cumming, when suddenly the sound of the door opening behind him made him jump out of his chair.

"Sweetie, I-" his mom began, but froze immediately upon seeing the image of her younger self peeing on the stallion's cock on the screen, and then her son staring at her panic-stricken, with his hoof still resting on his fully erect penis. Her jaw dropped. "I- I can explain-" they both blurted out at the same time, and then silence followed. Neither of them could come up with any reasonable, plausible explanation other than the uncomfortable truth.

"I'm sorry, mom…" Button said, breaking the uncomfortable silence, looking down at his mother's hooves, afraid of how she would react.

"No, I'm the one who should be sorry, sweetie,” she said, seemingly having calmed down a bit. “I should have thrown that away years ago," his mother said. "That was made a long time ago. I was a young mare, and I needed money. It seemed like a good idea at the time," she explained. "They gave a copy to everyone involved," she added, feeling the need to explain why she had it.

Button sat quietly, listening to his mother's explanation, both curious and relieved that she wasn't mad at him. "But… why are you peeing on that stallion?" he asked.

"Oh, that…" she said, blushing. "Some stallions enjoy being peed on by mares, and some mares enjoy peeing on stallions. It's called a fetish. Most ponies have one.," she explained. She looked down at her son's erect cock. "It looks like you're one of them." she said, smiling for the first time since she came in.

Button blushed. He wasn't that weird, was he? But he couldn't deny that he had found it interesting. "Did you enjoy it, mom?" he asked.

She was silent for a moment, before smiling and saying, "Yes, I did…I actually still do. But your dad… not so much." Her smile faded a bit as she said it.

"Dad doesn't let you pee on him?" Button asked.

"Oh, he agreed to let me pee on him in the shower once, but I could tell he didn't really enjoy it, so I didn't push it," she said, smiling at her son again, but he could see sadness in her eyes.

He could tell that she wasn't happy about it, and he felt sorry for her. She was his mother, and he loved her. He wanted her to be happy. "Do you want to pee on me, mom?" he asked.

For a moment, she looked surprised at his forwardness, and then she started giggling. "You're my son, sweetie. Mothers aren't supposed to be doing that sort of thing with their sons."

"Why not?"

"Because…" she started, and then stopped, trying to think of what to say. "…it's something mares and stallions only do when they love each other very much," she finished lamely.

"But you're my mom, and I love you a lot! I love you more than anypony!" Button said.

"Of course you do, but that's a different kind of love," she replied.

"How is it different?" he asked.

"It's…" she began, but her voice trailed off. She wasn't sure how to explain it - in fact, she realized she wasn't even sure what she meant herself.

At first, she had just found her son's suggestion funny, but as she kept thinking about it, her amusement was gradually giving way to arousal. Wetness was forming in her marehood at the thought of letting it flow all over her own son's dick. She tried to shake it out of her mind. "It's just wrong." she said. "Parents aren't supposed to do those kinds of things with their kids."

"Why?" Button probed.

"Because their foals have a slightly higher statistical probability of suffering from birth defects." She sighed, knowing fully well that he probably wouldn't be satisfied with that explanation either. Nor was she, really. She knew at least a few of her friends had experimented with their siblings, and suspected at least one of them had gotten pregnant that way, even if she never said outright who the father was. Her foal turned out fine. And then there was the Apple family. Even though it was rarely spoken about in public, it was fairly common knowledge that incest was almost a tradition among the Apples, and marriage in the family rarely deviated further from the tree than cousins. Despite this, they were all fine upstanding citizens.

"Foals aren't made by mares peeing on stallions." Buttons stated triumphantly. He wasn't entirely sure about the details, but he knew this much.

"Well, no," she conceded. She briefly tried to explain the "birds and the bees" to her son, although in a slightly more blunt way, seeing as she knew he'd already watched her old porn video.

"So… the stallion pees inside the mare to make her pregnant?" Button questioned as she finished explaining.

"Oh, no, it's not the pee that makes her pregnant. The pee is just for added enjoyment," she explained, and then went on to tell him what sperm was.

"Then there’s no problem, right mom?" Button asked again.

He was right, she realized. Aside from the social taboo, there was no real reason not to. Pregnancy wasn't likely to be an issue anyway, due to Button's young age. "I guess not," she agreed after a few moments. "Okay, sweetie. If you really want her to, mommy will pee on you." she said, smiling at her son. The thought of doing such a dirty and perverted thing with her own son made her all tingly inside. She felt a trickle of moisture down her thigh. She could hardly remember the last time she had felt like this. "Let's go to the bathroom," she mom told her son. "It's gonna get wet and messy." She led the excited colt into the bathroom, and laid out a large towel on the floor. "Lie down on your back, honey" she instructed her son. "Like that stallion in the movie." He complied, rolling over on his back with his now only semi-erect dick pointing up. Fortunately, being fully erect was not a prerequisite for golden showers - afterwards, they usually were, regardless of their previous state. She smiled at the thought. "Now lie still and enjoy," she told him. It had been a while since she had done this, and she was literally quivering with anticipation as she positioned herself over her son, lining up her vulva with his scrotum.

From his position on the floor, Button had a full view of his mother's marehood in all its glory as she lifted her tail to the side. He watched in fascination as her moist vulva contracted repeatedly, exposing a smooth button-like part each time. He'd heard that mares did this, but never seen it in real life. Her pussy was winking at him. He felt a drop of liquid hitting his balls and trickling down between his legs, and heard his mother breathing deeply as she tried to relax.

Finally, she let out a soft moan as a powerful stream erupted from her vulva and started splashing against the underside of her son's penis and scrotum.

Button felt a warm wetness spreading through his crotch as his mother's golden stream showered it, flowing down onto the floor and quickly being soaked up by the towel. It was an incredible sensation, and he immediately felt his dick growing rock hard as the pleasant stream continued splashing onto it. Soon, he felt the wet warmth spreading under him too, as the towel became saturated and a pool began to form under his back. Almost in ecstasy from the pleasure, he slid his hoof down between his legs and started stroking himself again, while his mother's stream continued to flow. The warm pleasant smell of his mother's urine wafted into his nose as he inhaled deeply, breathing in the faint steam rising up around him. It felt like a pressure was building up in his testicles. He'd never felt anything like it before. After going for what felt like minutes, the stream finally began to diminish, slowing to a trickle before stopping. His mother's vulva winked a few more times, squeezing out the last few drops.

"So, how was it? Did you enjoy yourself?" his mom asked, before turning her head around and looking down at him with half-lidded eyes.

He didn't even need to reply. The expression on his face told her everything she needed to know, as she looked down on her son lying on his back in her golden puddle, panting, his hoof on his cock and his tongue hanging out of his mouth, furiously rubbing his shaft, dripping wet from her urine.

She was ashamed to admit it even to herself, but seeing her own son in this state turned her on greatly. Even more so the fact that she was the one who had given him so much pleasure. She felt her vulva winking involuntarily, craving release. Craving to be filled by cock. Only hours before, she could never in her wildest dreams have imagined herself doing anything like this with her son, but it was already past the point of no return. She felt her hind legs shaking from the arousal. She needed release. She turned around to look at her son's euphoric face once again, pushing his hoof away from his rock hard throbbing shaft with her forehoof. "How would you like to try something else?" she asked. "Mommy needs you to help her."

"Will it feel this good?" Button asked.

"Even better," she promptly replied, smiling seductively down at him.

The sheepish grin on her son's face was all the confirmation she needed.

Turning around to face him, and using her front hoof, she guided his erect cock into her vulva as she slowly lowered herself onto him. "Mommy needs you inside her," she said, letting out a soft gasp as she felt the tip her son's cock sliding in between her nether lips and entering her innermost sanctum--the place in her body normally reserved only for her husband.

Button moaned loudly, his mother's inner walls massaging his shaft as she slid herself onto him. He could feel the full heat of her body spreading through his shaft as she swallowed it up, and the warm wet sensation of her vulva winking against his balls. "Wow! That feels incredible, mom!" he said. As he finally hilted inside her, she began to move her body, sliding herself up and down his cock, her moans intensifying as she increased the pace.

Button could feel something brewing inside him. His body was almost shaking with pleasure, and he felt like he was about to explode from pleasure overload. "Mom! Something is… happening…" he grunted as she rode him. "I…" And then it happened. His mind went blank, and his body started moving on its own, thrusting against his mother's movements. He felt something shooting out through his dick and into his mother's depths, but he wasn't peeing. Was this… sperm?

A loud gasp of pleasure escaped his mother's muzzle as she felt her son's liquid love shooting into her deepest, most sacred place, filling her up.

"Yes!" she moaned. "Oh Celestia, YES!!" She continued riding his cock as he fired load after load inside her, increasing her pace further. She was almost there now. Just a little more. Desperation filled her as she felt her son's spurts decreasing in frequency. "Please--pee inside me, sweetie!" she shouted. “I—I need to be filled!"

Button wasn't sure if he could. He was starting to regain control of his body, but as he tried to pee, nothing was happening. As he looked up, he saw his normally calm mother wildly riding his cock, her vulva winking furiously around his shaft, and one forehoof on her teats massaging her nipples. He couldn't let her down after she had given him so much pleasure. With renewed resolve, he tried his best to relax. Maybe feeling a bit of wetness around him would make it easier. "Mom… can you pee again?" he asked.

"I'll try." she replied.

Button could feel her insides clenching him even harder as she strained to pee, while continuing to ride him. Finally, after a short while, he heard a soft hissing sound as his mother's urine started leaking out around his shaft. Savoring the feeling, and listening to the noise of his mother's pee, he finally managed to relax enough to push through. With a burst of effort, he fired a squirt of urine inside his mother's pussy, and her reaction was immediate. She went wild and started riding him with renewed vigor.

"Yes! That's it! More!" she moaned.

He squeezed again, and it was easier this time. Soon, he was able to let it flow inside her.

As she filled up, and the pressure became too great, his urine began to force its way out of her and flowed down his crotch, mixing with hers. The urine that came flowing out was not clear yellow like it usually was, but rather murky with white blobs in it.

Suddenly, a loud moan erupted from her, and he felt her clenching around his shaft like a vice grip. Her movements became erratic, and he could feel her entire body shaking on top of him, as she finally climaxed.

As her ecstasy faded, she slumped down, letting her body rest limply on her front hooves. Her face was covered in sweat, and she was panting heavily on top of him. She looked down on him, a look of exhaustion in her eyes.

The towel was completely drenched. A large pool had even formed around it, and was still in the process of spreading out across the bathroom floor.

Button's mom didn't care. She knew she'd be the one to clean it up, but it didn't matter. She couldn't even remember the last time she had came this hard. It had possibly never happened before. "Thank you." she said. "You're the best I ever had." She leaned down and kissed him on the muzzle. "It's like we were made for each other." she said. "Let's keep this our little secret." she said, giving her son a loving smile.

THE END

Mommy's Special Surprise 2

"Mommy has a special surprise for you tonight, sweetie." his mother's whispered words echoed in Button's mind as he made his way to her bedroom.

Until recently, their relationship had been a fairly ordinary mother-son one, but that had all changed the day he found an old porn DVD in the attic. Out of curiousity, he had taken it down to his room to find out what it was all about, and found to his shock and surprise that the female star was none other than his own mother.

She had walked in on him masturbating to a scene of herself urinating on a stallion, but instead of punishing him she had ended up having sex with him for the first time that very night.

What had at first been a very embarrassing situation had turned out to be the best thing that ever happened to him. From that day on, whenever the two of them were alone in the house together, they would often have sex, and even as she went about her everyday housework he could tell his mother was happier than ever before.

His father and brother knew nothing of their special relationship, and they had decided that it was best to keep it that way.

Tonight was going to be one of those nights. His father was away on a business trip, and his brother would be sleeping over at a friend's house. It was going to be just the two of them alone together in the house all night. Normally on these occasions, neither of them had felt the need to say anything to the other or make any plans beforehand - they both knew what the other had in mind as soon as an opportunity arose. This time, however, his mother had whispered into his ear earlier in the day, telling him she had a special surprise for him tonight. She had seemed even happier than usual. He had been wondering all day what this special surprise could possibly be, and now he was about to find out.

Button Mash stood outside his mother's bedroom door, his heart pounding with excitement. Slowly, he turned the handle and pushed the door open to reveal his mother lying in her bed. As soon as she heard him enter, she rolled over on her back, spreading her legs and looking at him with half-lidded bedroom eyes. In other words, nothing out of the ordinary so far. Without hesitation, Button cantered over to his mother's bed and got onto it, positioning himself directly in front of her and looking down at her between her hind legs.

"Mommy's got a new hole for you to play with tonight, Button!" she told him just as he was about to ask what the special surprise was. "A very special hole that even your father hasn't gotten to play with..." she added in a seductive voice. Raising her hindquarters slightly, she reached around her thighs with her front hooves and pulled her vulva apart, exposing her pussy to her son. Or so he thought, until she readjusted her grip and stretched her hole even further. As he stared down into his mother's gaping hole, he realized that he could vaguely see the reflection of the light on the surface of a body of amber liquid inside. His mother chuckled as she saw the look of puzzlement in his face. "It's where I pee from, sweetie." she explained. "I've been saving up all day, just for you." she added in a soft seductive voice.

Button's jaw dropped in astonishment as he realized that he was staring directly into his mother's piss-filled bladder through her peehole - which was now gaping almost as wide as her pussy. Even though she used to pee on him all the time, he had never seen her peehole stretched open like this before. "I've been practicing for a long time on my own to be able to stretch it enough to fit a stallion, but I was only recently able to stretch it this far." she explained. "Big enough for you, sweetie."

Soon rock hard at the sight of his mother's gaping peehole, Button positioned his cock at her opening and with a gentle push it slid inside. His mother gave a loud moan as his stallionhood bumped against her urethral sphincter.

"Oh yes, Button! Don't stop! Go all the way inside! Mmnn~" she cooed, her breath heavy with arousal. He continued to push, increasing his pressure until finally he felt his cock slip past the tight muscle guarding her innermost depths and bottoming out against the back wall of her bladder.

As soon as he entered her bladder, he felt her warm urine engulfing his shaft and forcing its way out around him to make space for the foreign object now pushing its way inside. A loud gasp escaped his mother at the overwhelming pleasure of feeling her son's cock penetrating her final frontier and going where no stallion had gone before.

The sensation of his mother's tight sphincter massaging his shaft was out of this world as he began to thrust in and out of her bladder. Her entire body was shaking from pleasure, squirming and moaning as he fucked her tight pisshole, warm amber urine gushing out with each forceful thrust. Button had never felt anything like this. So tight and wet. He felt the piss sloshing around his cock inside her with every thrust. He felt his body going weak with arousal and pressure building up in his loins as he neared an orgasm.

"Yes Button! Fuck mommy's pisshole and cum inside!" his mother cooed as he continued to fuck her tight pisshole, pounding against the back of her bladder. The sound of his mother's voice uttering those words were too much, and he felt his mind go blank momentarily and his knees go weak as an explosive orgasm shook his body. He heard his mother gasp and moan under him as his cock flared inside her and began sending load after load of thick cum splattering against the back of her bladder.

The sensation of her son's cum splattering the insides of her bladder was too much for her, and Button felt urethra and sphincter clenching down on his shaft harder than ever before as she came, her bladder clenching around him as if trying to piss his cock out. Feeling his mother's orgasmic spasms against his, and the sensation of gooey marecum splattering his already piss-soaked balls sent Button into another orgasm before the first one had even ended.

Exhausted, he slumped down resting with his body against his mother's soft teats, and the two ponies lay panting in post-orgasmic bliss. As he began to regain his breath, Button suddenly realized that he needed to pee urgently.

"Don't hold it in. Fill me up, sweetie." his mother said suddenly, as if she knew exactly what he was thinking. Without hesitating he complied. Another moan escaped her muzzle as he opened the dam, flooding his mother's bladder with fresh piss until the pressure inside became too great and he found himself unable to get any more out. Judging by her moaning and squirming, she felt the pressure too, and soon he felt her bladder clenching down on him again, trying to piss him out, slowly forcing their fluids back up his urethra until finally the seal broke and a murky mixture of cum and piss began to ooze out around him. The sensation of their fluids forcing their way up his urethra and around his shaft, and her bladder forcefully squeezing against the tip of his cock finally sent him into another orgasm, forcing another load into her mother's tight cavity.

As he pulled out, having regained his breath, the remnants of their lovemaking poured out of her gaping peehole and onto the already drenched sheets below. Knowing that they would be alone until the next day, Button let himself drift off to sleep, his mother spooning him.

THE END