Based on a pic by Octoboy:
http://octoscrazystation.tumblr.com/post/123261853421/fart-inflation
“Dude, Ryan, that is a monster dick. How do you fit that in your "Dude, Ryan, that is a monster dick. How do you fit that in your pants?” Ivan was astounded at the surprisingly limp monster flopped against Ryan’s bare torso. He ceremoniously stroked it in awe.
“Haha, very carefully.” Ryan yawned and rubbed closer to Ivan, the two of them cuddling on the couch. “The better question is-” Ryan broke off as he scrunched up his face. He shifted slightly as a loud, drawn-out fart exploded from his ass. “-how do I always have so much gas? It should be impossible for all this-” his voice was drowned out by another lawnmower-grade assbomb, “gas to even physically fit in my body.”
Ivan’s eyes were closed in ecstacy, his mouth hanging slightly open. “Yeah,” he said with a moan, “your dick is about as unreal as your gas” Ivan’s hands caressed Ryan’s member as he inhaled the methane fumes.
Ryan sighed and let loose another roaring fart, enjoying the attention Ivan was paying to his dick. “God,” he said sleepily, “I bet you couldn’t even hold all the gas I put out. I’ve blown up balloons till they popped just while lazing about.”
Ivan chuckled. “You’d be surprised, I’ve done some bike pump inflations before, my gut can hold quite a lot of air. I bet I could hold all the gas you make, I’d just look a little bloated is all.”
“A little bloated?” Ryan made his point by lifting his leg slightly and letting a deafening fart rip from his ass. The air in the room was starting to develop a green tinge from the sheer volume of farts Ryan was ripping. “This is me not even trying, dude. This is a fairly quiet day, even. You couldn’t hope to try and contain all my farts.”
Ivan just moaned serenely. “If this is just casual farting, I wanna see you really go to town.”
“Your funeral, dude.” Ryan pushed Ivan into lying flat on the sofa and planted his ass firmly on Ivan’s head. He stroked his dick as he felt the gas start to bubble in his stomach. With a short grunt he let out a massive *PHRRRRRRRT* onto Ivan’s awaiting face. He sighed in contentment, his tongue lolling out as another huge *FFFRRRRRRRRRT* rumbled violently from his ass. The air definitely had a green tinge to it now, as the fart gas seemed to be even denser now that Ryan was putting effort into it. With a final bombastic *PRRRRRRRRT* he slid off Ivan’s face. “And that,” Ryan said with a small yawn, “is me trying”
After a moment of dazed euphoria, Ivan whispered, “That was amazing.”
“I am pretty amazing” Ryan said with a short but loud *FRRRT*.
“I wish I could have gas like that.” Ivan said, still dazed.
“Like I said, you couldn’t even hold gas like this.”
“Just fucking fill me with it, I bet I could hold a lot.”
Ryan realized Ivan was serious about being filled with his endless gas. “Where’s the hose you used for those kiddie bike pump sessions?”
- –
The hose fit snugly into Ivan’s mouth, complete with a rubber attachment to keep it firmly lodged in place. He lay on the floor on his stomach, with Ryan seated on his back. Ryan had even stuck a well-lubed buttplug up Ivan’s ass so he couldn’t cheat by passing any gas of his own.
Ryan, meanwhile, adjusted his end of the hose. He lifted his hefty balls and slid the hose a little farther into his ass, making sure it wasn’t going to slide out. He was having to hold his farts in while he did this, not wanting to start the gassing prematurely. They bubbled and blorped in his stomach, sending shivers down his spine as his belly began to bloat, begging for release. “I hope you’re ready, dude, cause I don’t think I can hold in the storm any longer.”
Ivan merely grunted and gave a thumbs-up.
Ryan leaned back and let the growing pressure in his gut loose. A muffled *PHLRRRP* came from his ass as he let his stream of farts free.
Almost immediately Ivan realized that this was more than he bargained for. The gas shot down his throat and quickly began building up in his gut. It was a comfortable pressure at first, but as Ryan’s gas continued to flow Ivan realized things were going to get weird.
The relief Ryan was feeling at letting the farts loose was starting to turn him on. His dick began to grow, the head brushing against his nipples. He hugged the squishy member against his chest as he felt it swell and harden. The attention he was giving his dick only seemed to increase his gas output, but Ryan was too distracted to see poor Ivan’s struggles.
The building pressure in Ivan’s gut was starting to worry him. He continued gulping down the barrage of farts, but his belly was beginning to look like a beach ball. He couldn’t even gulp it down fast enough, the gas starting to build up in his cheeks and snake its way through his nose. Puffs of green blew out his nostrils when he exhaled, the smell of ass tingling his nose. He could feel Ryan starting to jack off above him, and he hoped this meant the boy was about out of gas. But, if anything, the force of the gas only seemed to increase, and Ivan’s gut began to stretch well beyond normal limits.
Ryan was lost in the pleasure of his farting and masturbation. The head of his dick smacked his face with every tug, and his balls churned incessantly, threatening to blow at any second. He was interrupted, however, when he noticed his feet were no longer touching the ground. He sat up and took a good look at his rapidly swelling seat.
Ivan’s entire body was bloated beyond belief, struggling to contain the gas. Struggling, and failing as the fart gas constantly shot out of his nose. His anus twitched against the butt plug, threatening to shoot it out of his ass like a bottle cap from a shaken soda. His skin was even tinted green, the sheer volume of gas beginning to color his skin. And Ivan was loving it. He moaned as he struggled to keep gulping down the delicious farts, and swell his body even bigger and bigger with farts. His eyes rolled back in his head as he felt himself swell larger and larger, his hands and feet vestigial limbs to his balloonish body. He could feel his body beginning to fill the entirety of the living room, and still Ryan had more gas.
Ryan, for his part, was in awe of Ivan’s growth. He shifted his weight, getting more comfortable on the fart blimp he had created. He found Ivan quite cushy to sit on, not taut like a balloon, as if Ivan still had room to grow, even after becoming this fart-filled behemoth. Ryan patted and rubbed his own tummy, willing it to keep or even speed up the production of his prodigious gas. As if on command, he could feel the gas bubble in his gut with renewed vigor. He would be able to fart Ivan to even bigger sizes before the night was done. Maybe he’d even be able to inflate the boy larger than the room, larger than the house even. And Ryan’s mind began filling with thoughts of what exactly to do with his personal, massive fart blimp. They were going to have so much fun. “Wow!” Ryan finally said, “You weren’t kidding! You can hold a lot!”