Gas Powered

GAS POWERED

A short story by J.K. Ermon (jokermon)

This is a work of erotic fantasy fiction for the entertainment of adults only. It contains explicit futanari (hermaphrodite) content. Nothing in this story is intended to represent real people, events, or any real-life medical conditions. If reading this type of material where you reside is unlawful due to your age or any other reason, don’t read it. Do not repost without permission. This story is copyright the author©2003.

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Like many guys my age, I’m a little overweight, and the company I work for made me get a physical when I got my promotion. I’m about 5 foot 8, my weight hovers around 200lbs, and it’s kind of embarrassing because it’s mostly in my butt. I’m built kinda pear-shaped with a really big ass. If I were sitting behind my desk, though, you’d never guess I was anything but in shape.

The day I went for the check-up, I’d been tired all morning so I washed down my coffee at lunch with a handful of chocolate-covered espresso beans. I keep some in my office whenever I need a boost.

Wide awake, I went to this clinic across town. I didn’t bother with my regular GP, figuring if it was some random doctor who didn’t know me and didn’t care, it would all be done with really fast. No such luck. The doctor who finally saw me was dismayingly professional and thorough. She was also a great looking lady, with a friendly, engaging manner, which sort of mollified me. She was in her late thirties, with deep auburn hair and a creamy complexion lightly sprinkled with freckles. Her nametag said Dr. Simpson and she introduced herself to me as Lila.

She stood me on the scales, tsked about my weight, and had me remove my shirt so she could put a stethoscope to my chest. She also took my blood pressure and stuck a needle in my arm with a smile. Then she patted the tissue-covered examination table.

“Okay Howard,” she said cheerfully, “Time to take your temperature. Take off your pants and bend over the table.”

She had pulled out a bottle of lubricant and a thermometer with a slightly bigger bulb at the end than I was used to. To my consternation, I realized it was a rectal thermometer.

She noticed my look and laughed. “It’s not that bad, really. We get a much more accurate reading if we take it internally. I guarantee it won’t hurt.”

Well, after that I had no choice. I couldn’t complain without sounding like a baby. Resigned, I stripped all the way. I noticed the doctor was watching me fairly intently as I peeled off my briefs. She coughed a bit as I lay my upper body face down across the crinkling paper of the table. I heard her snap on the latex gloves.

I felt her hands through the clammy rubber as she patted my back reassuringly. Her hands lingered on me; they slid down and filled themselves with my rump. I thought she was going to pour the lube and stick it right in, but instead, to my confusion, she took her time squeezing and kneading. She hummed happily to herself as she spread and then closed my cheeks, rolling my butt in her hands. Then she’d hold my ass open with her palms while her thumbs massaged and pulled around my asshole, stretching it this way and that. It was the damnedest sensation I’d ever felt, and the funny thing was that it felt good. I could feel my cock stirring, and it freaked me out; it was almost like she was fondling me, admiring the texture and softness of my cheeks.

I looked back over my shoulder and she hurriedly said, “This is just to relax your muscles. It’s easier to insert the thermometer if your glutes have been softened up first. I don’t want you to feel any discomfort.”

It was funny–she sounded for all the world like a boy making excuses for feeling up his date. She also sounded short of breath, like she was excited or something. Oh well.

Finally, she poured a dime-sized drop of cool lubricant directly onto my anus. She swirled it around with her finger, and I was startled at how good it felt. This was the first time anyone else had ever touched my asshole, and I was surprised at how sensitive it was. But that was nothing compared to when she pushed down with the pad of her finger and my anus easily swallowed her lubed finger to the second knuckle. I grunted, and my eyes widened, feeling the exquisite pleasure of anal penetration for the first time. I was amazed; my penis stiffened to a throbbing hardness under me, and I was glad I was face down. I could feel the lips of my asshole sealing around her finger, gripping it as she worked it around in there. It was an incredibly sexy feeling.

“Have you had a prostate exam recently, Howard?” Her voice was calm. It was actually more than calm; she sounded sensual, almost dreamy.

“No, never,” I replied.

“We’ll get to that too, after I take your temperature.” She gave what sounded like a happy sigh. “You’re overdue for a good, long, thorough check-up.”

She removed her finger and I was sad to feel it go, although the feel ısparta escort of it slipping out of me was delicious.

She replaced it with the thermometer, which I took easily after the warm-up she’d given me. She was right–I felt no discomfort at all. I actually enjoyed it, although I missed her finger because it was bigger. Her hand remained on my right buttock, sort of idly patting and stroking in what I guess was supposed to be a reassuring manner. I certainly didn’t mind. My penis was so full and rigid that it ached pleasantly.

Eventually she removed the thermometer and pronounced my temperature normal. She said it was time for my prostate exam, and to my surprise, began removing her gloves and the rings on her fingers. She cleaned her hands with a disinfectant soap and when she saw my quizzical look, said that she always performed prostate exams without gloves, that she could better feel what was what without them. She offered to leave them on if I wanted, but I could tell she really wanted to do this barehanded. I shrugged and told her to go ahead. So far everything she’d done had felt great.

She sat in a chair behind me and massaged my big backside again. Her fingers were warm against my skin. Her breathing sounded kind of heavy and I could feel it in my crack. She opened my buns and played with my anus again, massaging the skin around it so that it opened and closed. It was a unique sensation. The kicker was when she gently pinched the pucker and rolled it between thumb and forefinger. I grunted again.

“This is just to make it easier. The more relaxed you are, the better.”

Again, she sounded a bit like a guilty teenager, trying to explain exactly how his hand wound up his date’s skirt in the movie theatre. I was beyond caring at this point. I relaxed and felt my rectum become soft and buttery under her fingers. When I felt the wetness of more lube being added, I nearly wiggled in joy.

“I’m going to start the exam now, Howard. I just want to tell you at the start that the prostate is a very sensitive area. It’s not uncommon for men to have what we doctors call an ‘erotic episode’ when their prostate is directly touched. I want you to know that if you have any kind of response to what I’m doing, that’s okay. If you feel you need to move or shift around or make any noises, go right ahead. The most important thing is to relax. This won’t take long.”

Oh God, I hope not, I thought as I felt her index finger gently penetrate me again. She slipped in deeper than before and it was better because it was the bare skin of her finger this time. I could feel the wrinkles of her knuckles and was grateful that her nails were trimmed short. Her finger went in to the last knuckle and I grunted again.

Ooooh, that’s nice.

Her finger suddenly hooked downward and sort of rotated and I groaned out loud. My cock oozed as electric tendrils of pleasure stimulated it from the inside. My big ass shook.

“You’re doing fine Howard. Not long now. That’s it…”

Her other hand rested on my lower back, stroking back and forth reassuringly. Deep in my ass, her finger kept wriggling and delving and I felt I might spontaneously erupt, it felt so good. I could feel my cheeks quivering.

“I’m going to put a second finger in, Howard, okay?”

“Okay,” I whispered, and then moaned loudly as the stimulation increased with a delightful stretching sensation as the second finger opened me wider.

She rotated her hand, like she was stirring my insides and I couldn’t help it. I came. My penis exploded in long spurts against the paper covering the examination table. I shook and moaned. She didn’t say anything (even though I’m sure she knew what was happening), she just kept massaging my prostate, which made my orgasm draw out even longer. I went limp on the table when it was finally over. That is to say, my body went limp. My cock was still bright-eyed and bushy-tailed. It didn’t feel like it would ever go soft.

She withdrew her fingers and I could hear the water running again as she cleaned her fingers.

“Well, that was fine, Howard, everything seems fine with your prostate.” She sounded breathless and distracted. I was just glad she was choosing to ignore the fact that I’d blown my nuts all over her table.

“Umm…that is, your prostate’s okay…I can’t be sure but I thought I felt something out the ordinary in your rectal canal. I’d like to perform one more procedure to make absolutely sure that everything is okay.”

She’s lying, I thought with a kind of stupefied wonder, still blissed out from my orgasm. I could hear it in her voice. I was a long way from caring, however. She’d just given me one of the greatest climaxes of my life.

“It’s a simple procedure,” she went on a little too quickly, “It involves inserting a topographical sensor unit up your rectum and taking readings. If there’s anything wrong, we’ll know at once and for sure.”

She held up an kadirli escort instrument that looked like a gleaming steel dildo, about eight inches long and as thick as a baby’s wrist. A cord ran out of the base to an LCD keypad.

“I don’t know,” I said, “That thing looks kinda big…”

“The whole procedure won’t take ten minutes.” She sounded almost desperate. “I could, of course, provide you with gas, the kind of gas dentists use to relax their patients. You’d never feel a thing, and it would be done before you know it.”

Her look was almost pleading. She was beautiful, I thought. Especially now that she was flustered, with her eyes so big and clear and green. Her chest rose and fell deeply. She was slim, but with a big chest, evident even through her white doctor’s coat. Her cheeks were adorably pink.

“Okay. As long as I get the gas.”

She turned the crank on the tank and put the mask to my face. I took deep breaths, gradually feeling myself soar off into the stratosphere as my whole body dissolved into a relaxed puddle across the table. A wide, dopey smile spread across my face and my eyes felt vacant. The examining room receded and I felt a million miles away. Dimly, I heard Lila explaining the procedure as she readied the apparatus.

“Howard? Still with us?”

It was too much effort to answer so I just lay there and basked in the wondrous feeling of weightlessness and well–being that suffused my every cell. She touched my shoulder, but I found it easy to ignore her. I drifted for a bit, but when she started in on my ass again, I came back nearly all the way. I guess it was those chocolate-covered espresso beans I had earlier. They counteracted the gas. I was alert, but still euphoric. I didn’t let her know I was nearly coherent again.

She squirted more lube up my ass and entered me with her fingers again. It felt fantastic, like before, and it only got better as she added a third finger. She was moving them in and out of me, slowly and sensually, and twisting her hand, first clockwise and then counterclockwise to, as she put it, “open me up more fully.”

I wiggled and moaned unashamedly and my cock pulsed with joy. The fingers of her other hand busied themselves with my bum cheeks, squeezing and mashing them with undisguised greed.

When she inserted the probe, it took my breath away. It was bigger around than her fingers, and as it eased into me, it actually hurt a bit. It hurt good, though, like the ache in my cock, and as my anus spread to accept it, the hurt faded into a more intense pleasure. It took a long time for it to slide all the way into me, but once it had, I felt ecstatic. My asshole was stuffed full to bursting with the cool steel of the probe and I had never felt better.

Lila began drawing the probe back and forth and the friction made me groan.

She’s fucking me with that thing, I thought. She’s really doing me and oh man is this great.

Abruptly, the movement stopped and the probe withdrew. Oh damn, we’re done, I thought with great disappointment. My anus gaped, twitching. She ran a finger lightly around the rim. I shivered at her teasing touch.

Dr. Simpson was muttering to herself. I realized she thought I was still totally out of it. I brought myself a bit further back to reality and listened.

I heard her say a couple of things like “unethical,” and “unacceptable,” and then a bunch of other stuff I couldn’t make out. She sounded like she was scolding herself. Both of her hands were on my ass, idly playing and fondling.

I caught the one word, “risky,” and then she clearly whispered, “So beautiful, so fleshy…” as she cupped my buttocks reverently. “Perfect.”

She sighed.

“It’s been so long…so long.”

She was quiet then. There was silence in the room and then I heard a rustle of clothing. I couldn’t turn to look because my head and spine felt like they were made of lead, but as I felt something big touch my open asshole, I realized I didn’t have to; it seemed we were simply going on with the exam. I was happy it wasn’t over.

I was already making mental plans to stop off at a sex shop on my way home and buy about a dozen dildos when I realized the object entering my rectum wasn’t the probe. It was bigger and it wasn’t metal. It was softer, warm and pulsing with life. I felt my sphincter spread over something shaped like a broad spade with a blunt tip and a split like a plum on the underside. Again came that fabulous stretching feeling as my ass strained to welcome this new, larger intruder. The broad flange of something that felt like the rill of a triceratops passed into me and then the object narrowed to a smooth fleshy column.

I thought: It’s a cock! That feels exactly like a cock would!

This whatever-it-was shoved deep into me, deeper than the probe, it seemed like there was no end to it. I moaned. To my amazement, Lila moaned too.

I could still feel both of her hands kadıköy escort on my ass.

My eyes focused on the side of the storage cabinet at the foot of the table. It, like everything else in here, was gleaming reflective steel, polished to mirror-like clarity. I could see myself, gazing muzzily at my reflection and even Dr. Simpson, standing behind me…

I relaxed. I realized I had to be dreaming, still whacked out of my skull on happy gas. What I was seeing was so absurd, it couldn’t be real, so I just went with it.

What I saw was this: dream-Lila was standing behind me, now naked under her white doctor’s coat. The rest of her clothes were scattered around her feet. Her breasts, a heavy, voluptuous double D-cup at least, thrust out between the lapels and her dime-wide nipples jutted out almost an inch from their swollen pink areolae. A small spray of light freckles speckled her bosom and her stethoscope was still slung between them. Her belly was tight and rounded in a gentle, womanly curve, terminating in a curly bush of bright red hair and an absurdly huge porn-star cock currently plugged between my buttocks and sliding in deeper. Devil’s horns and a tail could not have looked more surreal.

In the mirror, she was staring down at my ass and at her cock going into it. Her eyes were bright and feverish, her full mouth slack and stupid with lust.

“Oh,” she groaned, “Oh, that’s just so…”

She finally got in all the way and I felt her belly touch my cheeks and what could only be a large sticky nut-sack come to rest against mine. The sensation was overpowering. It throbbed against my tightness. It felt so good to be so totally stuffed full of cock that all I could do was gasp. I realized my doped mind had taken the experience of the exam and just ran with it, creating this dream or vision or whatever it was. I didn’t fight it.

She fucked me then, pulling her cock almost all the way out and then slamming it all the way in so that our balls slapped together like clapping hands. The friction and distension in my asshole were so intense that I nearly lost consciousness. I dizzily figured if this wasn’t real, I may as well enjoy it, so that’s what I did.

She wasn’t gentle. Once she got going, Lila really gave my ass a good pounding. She made my bum cheeks bounce and shake like Jell-O from the impact of her hips. The hurt intensified the pleasure. She gasped and grunted with her effort, and I gurgled and groaned right along with her.

“Such a big ass,” she grunted, humping away, “Such as nice big round sexy ass. Come into my office teasing me with that sexy thing, will you…”

In the mirror-like side of the cabinet I saw her reach around under my hip and then I felt her lubricant-slick hand take hold of my rigid penis. As she leaned forward, her breasts hung down and brushed my back. Her stiff nipples tickled. She masturbated me as she fucked me. Her hand felt great; she had a firm and knowledgeable stroke. As she thrust in, my cock was driven through her slippery fist and it felt so good I was glad I’d already come once today, so I could last longer.

As it turned out, I only lasted about twenty more of those loving strokes, and then I just lost it. I bucked and came, my cock pulsating in her fist as it squirted sperm like a garden hose. My anus flexed and tightened around her huge dick, and that set her off, too. Lila cried out and shoved in the deepest yet, and I could feel every pulse of her cock as it shot me full of her jism. She went off in me like an enema and I could hear it squelch around her cock as she continued to thrust. I felt the sperm fill me up and overflow around her post, and the heat of it running down my thighs. Her big warm cushion-like tits flattened against my back as she finally stopped and collapsed on top of me.

We rested for a while and then Dr. Simpson fumbled for the gas mask. She gave herself a good strong hit, and then pressed it to my face. I inhaled contentedly and let myself float off into the ether. The last thing I registered before oblivion was the tremendous sensation of Lila withdrawing her thick spent cock from my tired rectum and then her kneeling behind me to tongue her copious load out of my ass.

~~~

When I came to, I was cleaned up, dressed and sitting in Lila’s office. I had no memory of how I got there. I felt great. I glanced at my watch and saw about an hour had passed since I arrived. My ass was numb.

Dr. Simpson was writing me up a clean bill of health. She handed it to me across her desk. Her manner was distant and preoccupied. My absurd dream was already fading away into memory and I was starting to feel embarrassed. She was pretty, I thought, not overly-made up or fake in any way. She was certainly a real woman. Her hand brushed mine as she passed me the note, and it was slim and feminine. There was no way she had a cock.

“There’s a coffee shop downstairs,” she said, “They have an excellent strong java blend. You should get one to help you wake up. You’ll be in no shape to drive for at least an hour.” She shuffled papers, avoided looking at me.

“You’ll be pleased to know your tests all came up normal. You could probably stand to lose a few pounds, but aside from that, you’re in fine shape.”

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