#balls expansion

[silvers-smut-memes]

Send in "Wake Upgrade" for my muse to discover one of their body party increased significantly while they were asleep.

Can be boobs, ass, cock, or even hair or muscles, etc. Plastic or organic as well.

Feel free to add details, like where and reason and remember to specify muses.

[obl1v1ousrogue]

slips a hyper breast expansion potion and a dick/ball growth into your coffee right before your shift so you have to do all your work while autopaizuri-ing yourself :3

I wonder if you were counting on me drinking it before I got to work? Or maybe you slipped it in while I was at work just while I was doing the morning ritual of getting my life together while on the clock? Honestly doesn’t make too much of a difference when because the entire coffee was empty by the first break of the day.

I guess I should say what my outfit for the day was going to be. I went with a plain black button up with a black, loose, spandex-like undershirt. Standard black dress pants adorned my lower half with a trusty newish belt. 

Anyways, the coffee was good. It was instant coffee. I will fight that instant coffee is as good as most drip coffees. There is an art to instant coffee that is just slightly different enough to other methods that if it is not done right, will create a bad cup of coffee. Off track… right… so there was more coffee than I remember being in the cup but I wasn’t going to look a gift the wrong way. I think I was too tired to notice if the taste was off but hey, that’s partly what the coffee was for.

Feeling the warmth of the coffee course through my body left me with pleased little breaths of joy. If you have never experienced this, you should. Just get a warm drink, usually coffee or tea but hot chocolate works just as well. Then close your eyes as you drink from your cup. Focus as the liquid and taste lingers on your tongue. Feel the warmth as the liquid travels down your throat into your stomach. Take a couple slow controlled and deep breaths. You might be able to feel that, with each breath, the warmth just spreads throughout your body. It is a very pleasant sensation, especially if you are cold. 

Oh right! The potion that I didn’t realize was in there! A completely different kind of warmth began to flow through my body as I started to notice a tight feeling in my chest and pants. My hands immediately go to my chest to find it is larger than I remember it. It felt great too. I let out some more pleased breaths as my hands sunk into the flesh on my chest. I could feel as my breast grew beneath my fingers, forcing my hands further and further away. 

Within moments my button up had gone from comfy to tight. The tightness only increased as the buttons began their struggle, holding on with all their might. Not wearing a bra or really anything to hold up my breasts is actually giving my shirt a tiny fighting chance. I could feel my breasts fighting their way forward. Their size has forced my shirts to untuck themselves. My breasts filling out the space above my stomach. The entire upper half of my button up is straining to contain such large melons. I take a breath in and a button suddenly pops off. My breath catches as my boobs surge forth. One by one, the rest of the buttons give up.

My black undershirt stretching to contain my breasts. The fabric becoming more see through with each passing moment before holes start appearing. Then suddenly a loud rip as my undershirt is unable to contain their size and weight. My breasts landing squarely in my lap as I’m pulled forward by them. 

Apparently that excited me as I felt the tent on the outside of my pants. It was also noticeable from the inside of my pants that I had a raging boner but I was a bit distracted until this point. I then also noticed the warmth that was in my tits was also present between my legs. Fearing that I’d ruin my pants just like I ruined my shirt, my hands would work frantically to get my belt undone, and then my pants and underwear at least far enough down to free anything growing. 

The belt was tight but it’s off. I got my pants unbuttoned and the zipper down. I went to lean forward so I could shift my pants off but almost lost my balance. Leaning back I realized pants were not coming off so the next best thing. I reach down and start just pulling things out of my underwear and pants. I’d like to say I was confused by the sensations were too on point for it to be anything else. My dick barely fit in my hand and my balls were already the size of tangerines. I guess it was good I did this when I did or they never would have gotten out. 

My breasts were already starting to overflow my lap as they wrapped themselves around my dick. My legs spread as my balls rested between them and on the chair. I could feel everything was still growing. Not only was it still growing I was having trouble not making a scene. My breathing was out of control and I’m almost certain I was making small whining noises like I wanted more stimulation but wasn’t giving myself it. 

Within a mere couple more minutes, my tits were completely covering my thighs. My dick was reaching the top of my stomach and my balls felt like oranges between my thighs. I could only hope that the growth would stop soon but it didn’t feel like that was going to happen. I’d start idly massaging my breasts, quiet moans escaping my lips as I just let myself continue to grow. Not that I could or wanted it to stop.

A couple minutes later I felt the growth subside. I felt massive. My dick was long enough that I could rest my chin on it. It was thick enough that I don’t think I could fit the whole tip in my mouth no matter how hard I tried. My balls were heavy and it felt like they almost fell off the chair. I wasn’t sure if my intuition was right but they felt larger than a grapefruit. My breasts were the real show stoppers though. My legs were entirely engulfed by them. I could feel the bottom of my breasts resting on the ground as well as pressing against the bottom of my desk and the wall of the cube underneath. I’m sure they were taking up that entire space. In addition to all that, pressed against the edge of my desk, they were still large enough to obscure the lower bit of my vision and provide a sizable shelf for me to rest anything on. My dick was only poking out the top of them by a couple inches.

Thankful that I could still see my computer, I tried to get back to work. My keyboard and mouse sat on top of my tits as the only way I could use them. However every movement caused my dick to twitch and forced me to moan. Unintentionally I guess I was giving myself a titfucking just by trying to get work done. 

I’m going to need to go back over that report tomorrow before I send it off. Now I’m curious how long I can go before I end up just trying to desperately get off or if I can hold enough composure and control to even make it to lunchtime or later.

[fleshcraftflashfics]

femme testicle expansion is SOOOO underrated, just imagining a girl whimpering and moaning as her balls swell up and start churning out pre, soaking her in her own fluid as she leaks like a faucet, her cock hard and twitching as it gets dwarfed in size by her monstrous nuts, getting more and more sensitive and eventually emptying her new balls all over herself.

[silvers-smuttery]

Booboob Booze (Balls): Courtesy of some strange alcohol, Ruby’s already fat nuts balloon out even bigger as Loona watches~

"EhhehHEEhehEh! Dis tashtesh geewwwd~", Ruby slurred, no longer capable of coherent speech as the bottle in her hand emptied into her mouth glug by glug by glug. Loona could only stare at the Huntress as she lost all sense of shame. Her feet kicked up, combat skirt flipped into her lap, knees spread, showing off her cock and ever growing balls, squeezed by the bafflingly risqué lingerie panties. One cum-churning orb on either side of the black garment, before it snapped under their sheer weight. Loona's tongue rolled out as she panted, her nose picking up the radiating scent of musk from two grapefruit sized cum Tanks.

[bustybounty]

"Dude! Can you believe how awesome this resort is?" My friend said, she had been, and still was, the skinniest of the group, "We've been here like four days and they've given me like 8 new bikinis!" She waddled on, hoping to grab something to snack on at the poolside bar before her third lunch of the day.

I hadn't gone unchanged either, watching all her flesh jiggle like that, my cock was about to breach out of the water, where it would probably reach up to my chest, if it hadn't grown any since the last time I got hard...

They had given you several pairs of shorts as well, and underwear, due to your own growing endowment... though your swelling was far more localized, and perhaps a bit harder to contain, especially when you were in the presence of such a lovely woman. One who weighed less than 140 pounds before coming to the resort. Sure, she might have been the skinniest of the group still, but she had likely grown the most, at least in relation to how small she started! She had almost sextupled her weight, and only four days had passed. Her waddle and wobble were amazing, it felt like she was catwalking everywhere, it's as if she was a natural at being a plus size model or something...

As you stared at her, seeing her grab more food, constantly hungry since the moment she stepped inside the resort, your cock started swelling, and you could feel it growing up to your chest, like last time, except...it was still only half hard. You absolutely had grown since last time, and it showed. Your massive dick shot out of the water and went up slightly higher than your own head. All while pointing towards her direction.

She didn't notice right away, but it's not like you could hide it, either. Your balls felt fuller, heavier, needier, and of course, also bigger. She hadn't noticed because she was stuffing her face and complimenting the food, telling you how delighted she was to be able to eat such great meals multiple times a day... your balls churned in reaction, your cock throbbed, and your hands started stroking it, as your body was overwhelmed.

It almost looked like she got a bit bigger with every bite. If you hadn't seen how much she had grown in just these 4 days, you would have thought you were imagining things, but now you weren't quite as certain...

And when she finally saw your hard on? Her eyes went wide, surprised. "Wow! Dude, you're fucking massive, what happened? I guess that guys grow a lot in this resort too, huh? Damn, I have to give that thing a ride!...I'm sure we could do it in the pool, right? This blubber helps me float quite easily~"

She jiggled towards you, and your raging hard on felt like it was pushing itself to grow even more, knowing that it'd finally get action with the girl of its (and your) dreams. She couldn't wait to wash her third lunch down with as much cum as you could give out, and considering just how much was stored in your enormous cum tanks, she was about to gain enough weight to not be the 'skinny girl' of the resort any longer.

[bustybounty]

I finally confessed girlfriend, Mary, about my arousal-based growth condition. I was expecting confusion or disgust, but instead, Mary smiled and called me perfect. Later that night, I felt her arms coil around me and reach for my cock and balls as I heard her pur into my ear. "Grow, grow, grow~ I want to see just how big I can make you"

Having your girlfriend get so turned on by the fact that you were capable of growing purely based on your level of arousal certainly ignited a spark in your brain that immediately put your condition to use.

As she reached for your already quite sizeable package, she'd feel it pulsing, throbbing in her hand, eager and needy, her eyes widening and a big smile forming on her face as she saw your cock growing a few additional inches while hardening, and your balls growing like plump, juicy grapefruits. She had never seen anyone that big before, and was eager to see how much further she could take it.

"Grow for me. I know you want to... You don't need to hold back..." Her whispers further reinforced her previous statement, she was clearly eager to see the extent of your 'powers', so to speak. Your arousal was obviously skyrocketing too, as not only were you hard like a diamond, you could feel your balls churning up more cum like hard working automated factories, your body burning and sweating as if you were in a sauna, the moment was really getting to you, and you couldn't stop yourself from growing even if you wanted to.

Good thing you were very happy finally letting loose and growing, not needing to hold back in the presence of your hot girlfriend, but instead, only getting encouraged by her the bigger you got. Feeling her body press against yours, her pussy quivering on your leg as she saw your cock reach three feet in length, with your balls completely overtaking your lap, even if they didn't reach the knees yet, they would soon.

She made sure of it, by rubbing them gently, stimulating them and making you let out a sexy groan, precum dribbling from the lengthening tip of your dick. "Wow, I'm surprised you're not overflowing with cum already. These are so full and bloated. I've never seen anything this big...and yet I just want you bigger. Grow for me. Grow, grow, grow~ Even when you cum, I want you to KEEP GROWING~" She said, biting her lip at the end, unable to cointain her excitement as was clear by her tone of voice.

Your body would comply, and you felt yet another surge of growth flowing down your spine and right into your groin area, heating it up even more on the outside, causing your balls to finally overflow onto the bed and over your knees, and causing your cock to grow beyond even her height. With it reaching what you felt was critical mass, your brain struggled to process the sheer enormity of your endowment, and it caused you to burst in orgasm, the intense pleasure rippling through your very being as you erupted like a geyser, cum splattering all over the ceiling several times, but also coating your own cock, balls, and your girlfriend, who happily showered in the thick seed, tasting some of it, and rubbing her cum soaked body against your already overstimulated dick.

Somehow, while cumming, her actions combined with her loud moans of "MORE! GROW MORE FOR ME~!" as she rubbed her tits and pussy against your gigantic, monstrous pillar of a dick, you started expanding again, cumming more and more with few signs of slowing down due to the continuous growth...

It looks like she was getting her wish, and you were finally able to let loose your pent up arousal in the best kind of way~ Who knows how big you'll become~?

[maxswell-industries]

Looking for something to slip my gf to make her tits match her massive ass, if you wouldn't mind throwing in something for me to help spice up the bedroom. She loves being filled with cum.

While we can't condone slipping someone our products, we do have some we can offer for you to give her. We have our Bust Up supplements which are dissolvable in liquids and would give her some more up top to match what she has behind her. Please note: if she's already taking any of our breast growth products, this might lead to her being more top heavy and now her butt won't match her chest. Please let us know if this occurs.

As far as bedroom spicing up, we have Breeding Bull which is also a supplement that will increase the size and production of your testicles, allowing you to absolutely fill her to the brim. We also have Early Work skin cream you can apply beforehand which will make you super sensitive while also increasing your production. This might leave you a constantly leaking mess until you manage to come back to Earth from your pleasure high.

[bustybounty]

Enough was enough.

He didn't care about his girlfriend's warnings of "magic used down there is dangerous" and "even experienced mages can mess up with that" he was going to cast a spell using her book to finally have a penis. Like hell he would pay for surgery.

He found the right one, studied and examined and cast the spell and-

Nothing.

Frustrated, he cast the spell again...

Nothing.

He cast it again and again, getting more and more desperate each time. This should have been his key to finally make himself how he was supposed to be! Why isn't it working?!

After the unteenth time of casting the same spell, he gave up... There was no more point...

There wasn't, until his crotch began to feel strange...

Suddenly, the spell actually started working, he could feel himself tingling, and the changes were all starting to affect him at once. He didn't prepare the magic well enough, he was too impatient, and messed up, just like his girlfriend warned him he could. Though that wasn't on his mind right now. He was just thinking about how 'FINALLY, it's working!', having a solitary moment of joy before realizing how many times he had actually cast the spell.

He gulped as he worried that he might have overdone it. At the same time, he assumed that maybe he just did the spell wrong, all the way up until now, so it was working for the first time.

Though either the spell was more potent than he thought, or he had really overused his magic without being aware of it, and his girlfriend was right all along...his cock was growing with no end in sight, inch after inch, rising up in the air, with his balls feeling heavier as well, churning with more potent cum, it was clear that he was growing far more than 'just a bit'.

It was impossible to say he wasn't liking the effects though, already leaking precum, both hands being used to stroke his extremely girthy member, feeling it swell, pulsing hotly against his fingers and palms, while his brain was simultaneously bombarded with feelings of utter bliss he had never felt before. It was like a completely new experience, that sex or masturbation in the past had never been able to fulfill. He was loving it so much that he was close to orgasming already. The problem was...he was nowhere near done growing. By the time his girlfriend got home, he was already several feet long, panting and sweating heavily. He had been in bed for hours now, unable to contain the arousal of this gigantic monster he had created.

While his girlfriend did want to shake her head and say that she 'told him so', or berate him for badly using magic, she couldn't shake off the feeling that...it was kinda hot to see him growing that big. To see him several feet long, to see balls half the size of the bed itself, so desperate to cum, to feel even more pleasure, to grow even further beyond...

She found it a little adorable, and decided to berate him WHILE helping him stroke his monolithic growing beast~ At least while she COULD help, as it'd soon grow too big for that, his growing had just begun...