Gantu groaned as he felt himself growing larger and larger, his whole body blimping up with added adipose. Belly, chest, even his limbs packing on the pounds. It was such a strange feeling; a warmth spreading through every inch of his frame. He hated to admit it it, but it wasn’t entirely unpleasant.

The whale-like alien was soon whale-like in size, a massive ball of blubber that completely dwarfed his old size. He understood now why he’d had to strip. His clothes would of all torn off by now anyways. He sighed and gave his middle a rub, blushing a bit at just how nice it felt. So soft, smooth, and warm…

“It’s worked!” Jumba cheered, looking up and down his test-subject’s jiggling frame. The smaller alien paced around Gantu a few times, sizing him up. “Not quite as large as I had expected you to get, but it’s a good start…” he chuckled, his own belly rising and falling as he laughed.

Gantu just let himself relax and take in the odd sensations of his huge new body. With a grunt he ‘stood’, his huge gut not even lifting off the floor. A waddling step managed to move him forward a bit, his gut dragging heavily.

“I’m supposed to be BIGGER than this?” he thought aloud, already feeling too immense to describe. He took up almost half the room, and he looked more like an overinflated balloon than himself. Again he blushed as he caught a glimpse of himself in a mirror nearby, the fat fish snickering and looking down over the curve of his belly.

“A bit, yes.” Jumba responded, pulling up a datapad and typing some things in. “We should move into the room next-door, so you have a bit more space to fill.” The scientist added, almost casually. The thought of getting even larger made Gantu stammer, the alien blushing yet again. He subconsciously rubbed over his massive moobs, squishing his pudgy fingers into them.

“Follow me!” Jumba said, stomping over to the door and pressing the open button. There was a soft whirr as the door stuck, and Jumba groaned. Gantu, however, didn’t notice any of this past his own belly and waddled along without knowing. Each footstep was an effort, the whale-sized alien soon huffing and panting. His body wobbled and heaved as he moved, an endlessly jiggling sea of lard.

A few quick button presses and the door finally popped open, but it was too late. Before either party knew what had happened, Gantu bumped belly first into Jumba and knocked him over. The scientist was suddenly pinned under a massive mound of blubber, that belly following through the door on it’s momentum.

“Stop!” Jumba called out a bit too late, as Gantu had already managed to get his huge self wedged into the door. His body squished around the frame, clearly too plump to pass. It only got worse, the last bit of expected growth finally hitting and making Gantu even larger.

Jumba sighed and tried to wiggle free, but he was quite stuck. There was just too much thick, warm belly atop his back, keeping him pinned to the floor. Gantu was a stammering mess, blushing and trying to wriggle through the door.

“Th-this isn’t m-my fault!” he stuttered, trying to look down over his gut to see Jumba. The smaller alien just sighed and squirmed. “Yes, it is.” He responded, trying to ponder a way out of this mess…

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Well, now we know what happens when two fat aliens try and share one small doorway. Story snippet by myself.