A Slithering Sound

Story by draconicon on SoFurry

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A more direct parasite than some, this one shows just why you should always read the packaging for your new toys. You might think you're getting a sounding rod, but in reality...

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[b][u][center]A Slithering Sound

For Travis_Buchanan

By Draconicon[/center][/u][/b]

Thomas hurried his package back to his room, rather desperate to avoid any of his roommates seeing him or asking him what had come in the mail. Truthfully, neither one was likely to pay that much attention; Tim was always on the latest MMO, and San was usually dealing with one internet crisis or another. They were both in their own little worlds, and only really came together to pay rent or demand some change in their agreed-on chores.

Still, he didn’t want them to see this. It was kinda...perverted...and he didn’t want them to start getting ideas that he was into things that he wasn’t.

He darted into his room at the end of their shared apartment, shut the door and locked it. Gently tossing the box onto the bed, Thomas tugged at his pants, his excitement making the usually simple operation of buttons and zippers rather difficult. He almost popped the buttons off of his pants twice before he got them undone, and then the zipper…

Well, he was wincing when he sat down, and there was a new, small tear in his underwear as a result. Kicking his jeans away, he leaned back on the bed and took things a bit more slowly.

[i]Come on, you’ve been fantasizing about this for how long?[/i] He tried to tell himself that it was no big deal, that this was a legitimate fetish, but still…

The cardboard came off to reveal the bright collection of thin steel rods that he’d purchased for himself. They were from somewhere that he didn’t recognize, the printing on the box in a language that he didn’t know, but he supposed that was why he could afford it. Besides, he could tell that they were legitimate sounding rods; he’d seen the advertisements for it and checked it out, and they were from what seemed to be a legitimate company. At least, all the reviews bore that out.

His cock throbbed in his underwear as he threw the empty cardboard aside, undoing the more secure wrapping on the actual package. Tape, intricate plastic locks, and finally a press-sealed box that held the metal rods together all tried to stop him, and if he were any less excited for this, his boner would have died before he was halfway through.

As it was, it throbbed harder than ever as he got the box undone, revealing six solid steel rods, two that curved, and four that were completely straight, though of different lengths and thicknesses. He blushed as he looked at the biggest one; it was almost a third the width of his cock, and he could only imagine how his urethra would look if he managed to jam that in there. One might not develop incontinence from sounding, but dear god, he’d look freaky.

[i]Just...start small. You know what the instructions said. Small, slippery, and very, very careful,[/i] he thought to himself. He grabbed the lube that came with the box, and looked it over, trying to see what the active ingredients were.

Nothing. At least, nothing in English, or Spanish, or anything else that would be very common. It wasn’t even in Chinese, which he could have checked online. Whatever it was, it was tiny, too.

Another day, another time, he might have been suspicious. Hell, anyone might have been. But he had been waiting too long for this, and he wasn’t going to let some dodgy lubricant bar him from finally getting his fantasy. He undid the top of the bottle, and set the lid to the side.

“Now...dip it in…”

He took one of the rods, the smallest of them - which was still over seven inches long - and slowly dipped it into the liquid. It took a while, particularly as he stirred it around to try and get it nice and coated, and it was slender enough that he almost lost his grip on it twice. Probably just his nerves, even if it did feel almost like it moved as it was coated.

Finally content that it was wet enough, he shucked his underwear off and laid down on the bed. His cock, standing a healthy six and a half inches long, was just a bit shorter than the rod, but that was good, right? It’d let him feel it deep inside, rather than just in his shaft.

“Come on, just do it.”

He pulled at his cock, dragging the last bit of his foreskin back from the head. It bubbled with pre, but that wasn’t a bad thing; more lube, right? The tip of the rod dangled over his urethra, and he brought two fingers up, steadying it so that he didn’t stab himself in the dick. Bringing it down, slowly, he watched as the very tip of the metal - surprisingly warm - nudged against the opening before gliding in.

Immediately he moaned, his cock opening with a mixture of slight burning and a strange, new, full feeling. It was something not all that different from getting his ass filled with a big plug, but at the same time, completely different due to all the nerves around. He was tempted to squeeze his cock, but the internet said that risked pushing the sounding rod out due to air pressure. No, he had to get it in further, first.

He barely had to push at the top, feeling it slide in. It was so easy, and he almost wondered if he should have used the second smallest, rather than the smallest. The metal opened him up bit by bit, and he swore that his cock was looking bigger, too. The firmness pushed his cock down, making it point straight out ahead of him rather than curling upwards the way it normally did.

[i]Heh...this feels...good…[/i]

Then...he made a mistake.

Wanting to shift his grip, he let go of the sounding rod. Not for long, barely more than a second, but it was enough. The slick metal suddenly dropped, moving from only two inches inside of his cock to five in the space of a second. Thomas arched his back, his toes curling against his sheets at the sudden penetration, barely able to think to reach down.

By the time he did, things had changed. He glanced down, and the metal wasn’t quite so shiny anymore. Instead, it seemed almost...rusted, though closer to red in color than anything else. Worse, it bent at the end, almost as though it had been damaged.

“Oh, come on. I didn’t….I….Mmmph…”

It twisted around in his cock as he reached for it, and strangely, there seemed to be more texture to it that time around. Almost like there were ridges along the metal, or segments that he hadn’t seen. But that was impossible, right? After all, he’d seen how smooth they were, how easily it had slipped into his cock. And it wasn’t like they could change in that short time.

Regardless, he pulled his hand back, feeling it turn and almost spin inside of his cock. It was impossible, really. He must be imagining it, but it felt so good. Almost like a blowjob, except for the inside of his cock instead of the outside. Even the sight of the strange wobbles of the sounding rod’s tip didn’t concern him that much. It was probably just getting turned around from all the muscle spasms. After all, it wasn’t like it could actually be lifting itself up and changing shape...right?

Thomas moaned, arching his back again as the rod slid partway out of his cock, almost like his pre was lifting it up. He encouraged it, twitching his muscles. It was so much bigger than he thought it was, feeling it come out that way. It was...mmmph….

He panted, staring at the thick, strangely rusted-looking rod. It was definitely segmented, somehow. Like someone had smoothly threaded it, or like it had tiny, band-like segments to it. But that -

The rod suddenly dropped again, and the pleasure knocked his thoughts out of his head. Even the strange sight of it going completely straight again was not really that strange, not when he felt that good.

[i]But...did it...slither?[/i]

He swore that he’d seen it wiggle, and that he could see a bulge in his cock, wriggling deeper, and deeper, getting closer to his balls. Yet, every time it moved, it felt too good to complain. In fact, it felt...it felt too good to do anything...but enjoy it.

Thomas wrapped his hand around his cock, starting to drag it up and down in a slow, lazy pumping motion. It felt even better than he thought, like he was squeezing down on something inside of his cock, and pleasuring both sides at once. His foreskin collected over his tip again, and then slipped off, and then collected again…

Was it his imagination, or did it seem to cover less and less of his cock every time that he stroked upwards? No, that had to be wrong. Because that would mean his cock was getting bigger, and that wasn’t -

“Nnngh!”

He moaned, his legs spreading open a bit further. It wasn’t his balls were swelling, nah. It was just...he was more comfortable this way…

He stroked harder, faster, feeling that pleasure build up further and further. His cock felt so thick with that rod inside of it. It had to be twice as big around as it used to be, even if that was impossible. His strokes barely pulled his foreskin over the head anymore, barely bunching around the flared edges of the tip.

Stroke, stroke, stroke. Thomas wondered if he was starting to imagine things, because he was seeing...seeing things now. He panted as he watched the veins popping out on his cock, seeing them turn grey and bigger than ever, almost like bulging muscles in their own right. They popped out like ridges along his shaft, and then spread further, making his huge balls look even bigger.

The growth didn’t stop, and neither did the coloring. Even as he dropped one hand to his balls, fondling them - and feeling something slithering around inside them, briefly - the gray coloring started to spread along his body. Thomas stared at it, watching as it was followed by muscle so thick and heavy that it was like body armor, and he opened his mouth (not sure for what, for help?) -

“AH!”

Only to moan, to buck into his hand. His cock swelled again, bigger. There was no denying it. It was a big, gray rod, as thick and heavy as any pipe one could find in a house. And he was bigger, too.

Normally, he still had about half a foot of room when he laid down, his soles not quite sticking over the bed. Now, he had his head smashed against the headboard of his bed, and his feet dangled over the edge by a good eight inches. His muscle mass was making the bed shake as he stroked himself, and he could definitely feel something wriggling around in his cock.

He knew something was wrong -

“MMMPH!”

Something was wrong -

“AH!”

Something -

“OOOOH!”

Three orgasms, one right after the other from his constant stroking, showered him in cum and kept him from thinking for a while. He saw a tail, or the end of something, wriggling in his urethra as he blew his load like a whale breaching the sea. It wiggled back and forth, then swam back down into his cock.

By the time it disappeared, so had his worries. Thomas stood up, groaning at the thunderous impact his feet made on the ground, and ignored the groaning of the floorboards as he walked over to a mirror.

He was a huge man, more than a foot taller than he had been, and his body had changed completely. His skin was gray from head to toe, a dark gray that was nearer to black than anything else, and veins popped out along his arms, his legs, his cock, his head...everywhere, really. His cock stood up almost to his chest, throbbing and dripping with pre, and his balls…

The constant churning wasn’t just producing pre. He reached down, feeling the movement in there. They were making things that were far more...infecting...than simple pre. Thomas grinned, moaning as he felt the swimming, swirling, moving things, his cock slapping back against his chest in need.

“Mmmph…”

Spread. Had to spread. There were more rods, more things to put into people...and then, they could push it further. What they’d do, he didn’t know, but they’d have fun doing it.

[b][u][center]The End[/center][/u][/b]