This is a story fragment from the "Law of Averages, Part 2" story by  almeric.
Want to read the full thing? Click here:
http://www.furaffinity.net/view/7804203/

Drawn by the constantly-commissioned  ryunwoofie. :3

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Between the immense amount of calories that Kate had stuffed into her stomach and a mounting sense of dread over the coming date, her dreams were troubled as she lay sprawled out on her couch. Her tail flicked fitfully as she dozed, lost in a haze of ice cream induced unconsciousness, those tubby feline paws resting softly on her visibly swollen belly which drooped gently over her waist, wobbling despite the excessive amount of ice cream her friend Mary had persuaded her to eat. Somewhere in her mind she tried to grasp at the idea of why that had happened. How had she given in so suddenly and willingly to that food? She didn’t want to get larger. Did she?

“What’s so bad about getting bigger?”
The words seemed to form themselves in the murky depths of Kate's mind. Her ears twitched at the unspoken words as her minds eye witnessed the shadows in her dreams form themselves into the curvaceous shape of Chelsea. The chipmunk had gained a bit of weight, at least according to Kate’s subconscious. The chipmunks belly swelled out and sagged low, wobbling against her battlement thick thighs that served to counterweight the enormous rear that spread out behind her. She had to be at least six hundred pounds of pure jiggling blubber.
“It feels wonderful!” The obese chipmunk giggled, hugging her fat arms around her belly and up under those watermelon sized breasts, making them bounce and jiggle in the all too revealing bra.
“It’s terrible!” Kate moaned in response, her paws waving lazily through the smoky abyss. “Your so out of shape! What will people think when they see your fat butt waddling down the street?”
“What you mean this?” The chipmunk smirked and turned slowly, confirming the cliché that things dreamt by the dreamer move easily through the dream world, leaving the dreamer to flail around in a molasses like fog. That massive backside rolled into view, a puffy tail flicking and wiggling happily, sending ripples through her cellulite riddled rump. Kate could just see a small band of a thong running along one of those thick rolls. Somehow she’d found a string bikini capable of fitting her massive frame. The overall look was that of a chipmunk that had been forced to eat her way out of a pudding vat.
“Yes I mean that! People will stare! they’ll laugh and make fun of you!”
“So let them. I know I’m sexy! I know I’m hot!” the chipmunk snickered, reaching back to give her rump a wobble. “Why not join me?”