ultram0th - UltraM0th's TF Stories
UltraM0th's TF Stories

🔞Here's some stories and pics from around the Internet that involve TF, either made by others or myself. (If you see your work on here and would like it removed, please message me and I will do so immediately!) 🔞Asks/Requests are currently paused.

309 posts

This Stud Is A Sure Win At The Superheavyweight Competition!

This Stud Is A Sure Win At The Superheavyweight Competition!

This stud is a sure win at the Superheavyweight competition!

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More Posts from Ultram0th

2 years ago
When Derek Hale Became The Alpha Werewolf, He'd Thought That Everything Would Be Just Fine. And It Was.

When Derek Hale became the alpha werewolf, he'd thought that everything would be just fine. And it was. He had an easier time keeping threats out of his territory, he was building himself an impressive pack, and he had Stiles as his boyfriend. However, he wasn't aware of a certain side effect of becoming an alpha.

Derek's body hair was growing at a much faster rate.

Seemingly overnight, the stud's smooth chest had sprouted a black forest of chest hair, completely covering his pecs and stomach. Even his stubble had increased, giving the werewolf a bushy beard.

At first, Derek had tried to keep his new body hair under control, shaving his chest and beard every morning. However, his new alpha werewolf genes wound up with him annoyed at the sight of the curling chest hairs visible in his v-necks at noon. And his beard was full by at least 3 PM.

He finally embraced his new hairy body when his boyfriend, Stiles, admiringly ran his fingers through his thick chest hair. "I think it's kinda hot," he smiled.

Derek shivered at the pleasurable sensation of his boyfriend playing with his chest hair, every follicle feeling like a pleasure sensor. And from then on, Derek fully embraced every aspect of his alpha status, especially his hairy chest.


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2 years ago
Don't Look So Sad, Musclestud. Your Head Doesn't Look Too Tiny.

Don't look so sad, Musclestud. Your head doesn't look too tiny.


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2 years ago

Alex carefully glanced over his broad, bare shoulder as he slunk into the locker room, making sure that no one saw him. The young muscle stud snuck into the locker room, grateful that no one else was in there. 

The gym had an unfortunate reputation of unsecured lockers having their contents go missing, and Alex was the reason behind that. The cocky college freshman had snagged an unsuspecting weightlifter’s phone once and had sold it, telling himself that it’d solely been because of how expensive college life was. However, Alex had quickly gotten hooked on the thrill of taking the clueless mens’ belongings and hocking them, or even using them for himself.  

Best of all was that all the college jock had to do was flash one of his smiles at the angry gay men who questioned him on the whereabouts of their belongings, and they dropped it. Since a majority of the gym-goers were older, gay muscle men, the toned straight jock used his physique to his every advantage. He’d noticed quite a few of them ogling him while he did squats or whenever he posed in the mirror, hence a lot of them didn’t tend to argue whenever he showed off the slightest bit.

As soon as he was sure that the coast was clear, Alex smirked and his eyes honed in on his prize: a blue locker with the door slightly ajar, the fabric of a duffel sticking out of the crack.

“Fuckin’ idiot,” Alex snorted as he hurried over to the unlocked locker and snatched the duffel bag out of it. He eagerly unzipped it, but then flinched when he saw the contents:

A bubblegum pink thong.

“What the hell?” Alex laughed incredulously as he looked at the skimpy garment. He had a number of gay jokes filter through his mind, but as his shocked fingers grazed the soft fabric of the thong, he felt a jolt ripple through his body.

The jock’s hand recoiled at first, his heart racing in his muscled chest. For some reason, the longer he stared down at the thong, the more his mind told him to wear it.

He snickered and shook his head. “Damn it,” he spat, shrugging his shoulders and opting to humor himself. He’d never worn such an article of clothing before, but for some strange reason, he couldn’t seem to throw the duffle bag back into the locker. Instead, the jock lowered his joggers and shucked his boxers. Since he’d already been shirtless (to give the eyeing old dudes a little show), he was naked in a matter of seconds.

Without a moment’s hesitation, Alex slipped the thong up his legs, a little surprised at how soft and comfortable the fabric felt. The stringy back slipped between his perky cheeks, and the front pouch barely concealed his girthy package.

Alex couldn’t help but laugh at his silly reflection as he turned around in front of the mirror. “Of course one of those weirdos would own this,” he scoffed to himself, moving to take the offending thong off.

However, he couldn’t get his fingers to grip it, almost as if the thong had fused to his skin. No matter how hard he tried, Alex wasn’t able to take the thong off. In his frenzy, he went to grab his joggers to cover himself, but he was surprised when he couldn’t find them on the floor where he’d tossed them. It was if they’d vanished.

“What the fuck is even, like, going on?” he panicked, wincing at the way he’d said it. His speech had been peppered with a valley girl inflection that had been completely unintentional, making the stud blush. He cleared his throat and tried again. “Like, what was even that?”

Alex slapped a hand over his mouth and rushed over to his own locker, opting to rush home and figure out what was happening to him. He did his combo and flung the door open when he saw that his own gym bag was gone, meaning that he had no clothes to cover himself up, thus leaving himself clad in nothing but the pink thong.

“What the fuck is going on?!” he huffed, even stomping his foot in frustration, freezing when he felt an unknown ripple emanate from his backside. Alex shakily turned to gaze back at his reflection and gasped loudly.

As Alex stared wide-eyed at the mirror, he gazed at an ass that was much too big. His normally perky butt had magically ballooned out into a bubblebutt that was at least three times larger than it should’ve been. The enlarged cheeks protruded off his back at a ridiculous angle, forming a shelf from his back. He was relieved to see that he still retained all of his hard-earned muscles, but his pecs and biceps definitely looked like an afterthought in comparison to his massive ass. It looked like he was lugging beachballs behind him.

“Like, why is my butt so big?” Alex squealed, bristling both at the way he was talking and the way he was walking with an arch to his back that accentuated the large cheeks. His legs carried him out onto the gym floor against his will, almost as if they were moving on their own accord.

Alex blushed cherry red when the rest of the gym-goers gained a full view of his altered form: his large muscles on full display, only to have them overshadowed by the inflated fuck-me butt he now possessed. All of that was wrapped up in a garish bubblegum pink thong.

The rest of the men eyed him as he walked out into the center of the gym for all eyes to see. With every step he took, Alex winced at the way his enlarged cheeks bounced and jiggled.

A large burly bear of a man, the owner of the gym, Mr. Black, sauntered forward. His large muscles were concealed by a form-fitting polo that barely covered his meaty pecs and roidgut, and for some reason, the more he looked at him, the more turned on Alex got.

“Well, well, it looks like we’ve caught the gym thief,” Mr. Black mused, crossing his massive arms in front of himself, his biceps curling out of his tight sleeves. “Have anything to say, Alex?”

Alex’s heart raced and he felt an uncomfortable feeling of humiliation and being so deeply turned on. He’d shown off plenty of times before, but having his inflated bubblebutt on full display for every other man in the gym made his heart race and his cock ache in the tight confines of the thong.

“I’m, like, so totally sorry!” Alex hurried.

The large, older musclemen all laughed at his new voice. One of them even pointed at him, saying, “He’s become a total musclebutt!”

Quickly putting the pieces together, Alex dramatically gasped and shot daggers at Mr. Black. “You did this to me?” he accused, gesturing down at his huge butt. “Like, why did you give me such a fuckable ass?” 

“‘Cause you were an ass for stealing from us,” Mr. Black responded like it was obvious. “And that’s not all.” 

Alex cocked his eyebrow, confused. He hesitantly glanced towards one of the mirrors in the gym and paled when he saw the tiny bulge in the front of the thong. Instead of looking like it was strained to bursting, the pouch of the thong was baggy from having too much room. Alex estimated that his cock would’ve had to shrunk to a pathetic little nub, barely an inch long.

“Don’t worry, Musclebutt,” Mr. Black teased, running an admiring hand over the crest of where Alex’s back exploded out into his large ass, “with an ass like that, you won’t need such a big cock anymore.”

Alex knew what he meant, and the more the musclemen stared at him, the more his nub throbbed. But that was nothing compared to the unsettling sensation of emptiness that he felt in his inflated ass, a desperate desire to be stuffed full overwhelming him.

Despite himself, Alex dropped on all fours and presenting his giant butt towards the crowd of men, giving it a playful wiggle. “Like, who’s first?” he heard himself ask aloud. The gym was filled with his loud moans as he was fucked over and over, the gym thief now the gym’s own musclebutt, built to satisfy every man who entered.

Alex Carefully Glanced Over His Broad, Bare Shoulder As He Slunk Into The Locker Room, Making Sure That

[Original photo from twitter.com/viralsmorphs]

Voting (2)

Okay, so I'm getting the hang of how Tumblr polls work and the timeframes. Since I want this to be more of a weekend thing, here's the second one, and I will have the first one up whenever the poll time ends there!

Voting (2)

This young stud is Alex, and he's unfortunately the reason why you'll sometimes find stuff missing from your gym locker when you return from your workout. Someone eventually got fed up with his antics and decided to leave him something special to steal.


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2 years ago

Voting

(I have to repost this because it got flagged for some reason)

Voting

This is Colin. He works out with his wireless headphones on, blasting a carefully crafted playlist to pump his muscles to. One day, a devious gym-goer hacks his headphones and plays music with subliminal messages. What is the title of the playlist?

Playlist for Good Boys.

Colin sauntered across the gym floor, his sweaty and pumped up muscles bulging with masculine power as they strained his clothing to bursting. All the while, faint beats could be heard emanating from his wireless headphones. The stud always worked out with his headphones, constantly lifting weights to the beats of whatever song was on his carefully crafted playlist.

As he approached the lat pull down machine, Colin passed by one of the older gym-goers there: a bodybuilding coach by the name of Viktor. The large burly man was at the pec fly machine, his large hairy pecs spilling out of his workout tank with every rep. He playfully winked at the younger stud, making Colin wince and quicken his pace towards his desired machine.

Colin had nothing against Viktor, he just found it odd how the older man would frequently be staring intently at him, usually smirking. He shook off his uncertainty and went to performing reps at the machine, his massive muscles bulging with power as he worked out. The whole time, the music from his playlist blasted in his headphones. 

As Colin worked out to the beats of his playlist, he spied Viktor (once again) giving him one of his trademark devious smirks. The older muscleman yanked his phone out of his pocket and started to frantically type away at the screen, giving Colin another wink. 

Colin bristled at the unwanted attention, but forced himself to continue his workout. However, his focus was quickly interrupted when his playlist seemingly stopped and some unknown set began to play on his headphones. 

“What the…?” the stud muttered to himself, confused as to where this brand new list of songs had appeared from. Still, the beats were quick and the tempo seemed to match his usual playlist, so the hunk shrugged his broad shoulders and continued his workout.

Viktor just continued to smirk knowingly at the young stud.

Colin went about his usual gym routine, focusing on certain muscle groups that he would retain his perfectly proportional musculature. The temperature in the gym must’ve been set high because the stud was beginning to feel increasingly uncomfortable in his red shirt, feeling way too hot. He was at the weight pile, lifting large dumbbells, actually enjoying the new, mysterious music that was pumping on his wireless headphones when he noticed something.

“Shit!” he hissed, dropping the weights in shock when he saw that he was rock hard. The stud’s impressive seven inches was sticking straight out in front of himself, tenting his shorts in an obvious manner. He quickly attempted to cover himself with his hands, his face beet red from actually walking around the gym floor hard. He couldn’t believe that it took him so long to notice, and the hunk was humiliated to think that he’d actually been sauntering around the other guys with his hard cock bobbing in front of himself the whole time.

Colin made a move towards the locker room to go hide, but Viktor sauntered up and clapped the stud on his broad shoulders. “What’s the hurry?” he teasingly asked.

Despite wanting desperately to run and hide, Colin found himself staying in place, his eyes running up and down the hairy muscles of the older man. The way Viktor’s fuzzy pecs spilled out of his top and the way his thick thighs were tightly pressed together made Colin’s hard cock confusingly twitch.

He opened his mouth to say something, but Colin couldn’t seem to get a word out.

“And why so shy all of a sudden?” Viktor asked. “There’s no need to hide that.” He gestured down at Colin’s cupped hands in front of his crotch.

He wanted to argue, to push himself away from the older man, but instead Colin found himself dropping his hands to his sides and allowing his tented shorts to be in plain view of the muscleman. The young stud blushed some more, but no matter how much he screamed at himself, he couldn’t get his muscled arms to move so that he could shield his cock from view. It was as if he were paralyzed. 

His heart racing in his muscled chest, Colin tried with all of his might to move a muscle, but his body was unresponsive. His biceps bulged as he struggled to move, but his arms remained put at his sides.

“Don’t look so scared, Pup,” Viktor cooed. “Just go ahead and get more comfortable. I’m sure you’ll feel much better soon.”

Pup? Colin wanted to ask what the older man meant, but he was quickly more concerned with how his large arms finally moved; however, it was on their own accord and without any of his control.

Colin felt his hands grab the bottom of his red shirt and lift it up and over his head, exposing his sweaty chest muscles. He was quick to catch on the second he was exposed to the gym and the older man, his physical discomfort immediately disappeared. He was so caught up in how amazing it felt to have his plump pecs free from his confining shirt that he barely registered his thumbs hooking into the waistband of his shorts, eagerly tugging them down to the floor.

The young stud stood in the middle of the gym, rock hard and clad in nothing but a tight jockstrap. His hard cock tented out the pouch of the jock obscenely, and his perky ass bubbled out of the back straps for all to see. Colin was beyond embarrassed at his exposed nature, yet, he couldn’t deny that he felt some sense of relief, almost as if the thought of putting back on his baggy and confining clothing was repulsive.

Worst of all was that Colin quickly noticed that Viktor’s own shorts were also tented out, causing his heart to race in his muscled chest and his mouth to water. His breath sped up, causing his large pecs to heave as his eyes honed in on the older man’s hard cock.

Viktor noticed and crossed his large arms over this beefy chest. “Well?” he asked expectantly. “Are you going to be a good boy and take care of that?”

Good boy. 

Hearing that phrase set something off deep inside of Colin. He felt his muscles tense up as his cock spasmed and he unleashed a fat load of cum into his jockstrap, panting afterward. He immediately dropped to all fours and ground his face hungrily into the older man’s crotch, moaning loudly as he sniffed at his musk. 

With his teeth, Colin pulled at Viktor’s shorts, desperately tugging them down to the floor. Going commando, Viktor’s hard cock sprung out in front of him, bobbing tantalizingly in front of Colin’s face.

Without a moment’s hesitation, Colin felt himself lean forward and eagerly take in the older man’s cock in his mouth. Colin had never sucked off anyone before, but he was somehow sucking off Viktor like a semi-pro. He hungrily lapped at the older man’s cock and deep throated as best as he could, unable to stop his desperate moans the entire time. He had enough awareness to scream inside at what he was doing: blowing another man in the middle of the gym in nothing but a skimpy jockstrap. But Colin couldn’t stop. He was a little concerned with how quickly he was taking to sucking cock, and also how great it felt to have every other man in the gym gawk at his impressive muscles — both of those sensations rapidly drowning out the formerly straight hunk’s trepidation.

When Viktor came and unleashed his load, Colin eagerly swallowed every last drop, feeling an odd sense of pride that he’d gotten the older man off. From his all-fours position, he puffed out his chest with pride and held his head up.

“Such a good boy,” Viktor breathed, patting Colin on the head.

Colin’s cock twitched again at the phrase and he felt such an overwhelming surge of excitement at the praise from the older man. He felt that excitement bubble up in his muscled chest and he couldn’t resist letting out a loud, “Woof! Woof!” He even felt his bubblebutt jiggle as he wiggled his hips to and fro, unable to stop even when he became aware of the action.

Colin followed behind Viktor as he sauntered back into the locker room, focusing on how the older man’s meaty ass shifted with every step. He cock was fully erect in a matter of seconds and it took Colin a moment to realize that he was still down on all fours, following behind Viktor like some loyal dog.

Despite all of this, Colin felt zero sense of humiliation. In fact, he was surprised to find that he loved it. He basked in the warmth he felt when all of the other men in the locker room gawked at him crawling around like a dog, showing off all of his hard-earned muscled. And he especially loved it whenever some of them gave him pets. Even one of the scrawny ones scratched him behind the ear, and Colin felt himself roll over onto his back, presenting his rock hard abs and plump pecs. 

He let out a little whimper as he asked for belly rubs.

The scrawny gym-goer laughed as he gave in, rubbing Colin’s muscled chest playfully, eliciting howls of pleasure from the muscle stud.

“Such a good boy,” he said. 

Voting

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2 years ago
Joe Knew That He Was A Sure Win For The New Category At Bodybuilding Competitions: Smallest Cock.

Joe knew that he was a sure win for the new category at bodybuilding competitions: Smallest Cock.

At two inches hard, he knew that no one was smaller than him. Just see how happy he is with his massive muscles and microdick!


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