You take the fat man's dare I step into the changing room, Speedo in hand. Grumbling all the while about what that skin suit did to your girlfriend. You think to yourself as you undress. She's now a fat slob of a man.
You hold the Speedo Infront of you as you stand there naked in the changing room. It's much bigger than you thought, you'd wager it'd probably fit your girlfriend in her current form.
Not one to back from a dare you slip one leg through one of the massive openings, and then the other leg down the other hole and lift it up. It's almost cartoonist with how much space you have to fill in. You chuckle a bit at the ridiculousness of it all.
You hold it over your privates, the fabric in the back almost touching the ground, as you step out of the changing room. As you open the door and step out your stomach hits something big and soft. It's your girlfriend, still in that disgusting slob fat suit.
She's standing in front of the changing room door, but as you look down, your skin turns pale in shock. The Speedo now fits you perfectly, you're easily bigger than your girlfriend now. She belly bumps you and says, "Well hey there handsome. How's it fit?"
A cocky grin forms on your face as you push your massive orbular belly into her's. "Fits fine, almost as fine as me, babe." You say in response. Your mind is sounding all alarms, you dont like this, you're fatter than even the slob in front of you. You also don't talk like that. This is disgusting, but... It feels so right. You kiss the slob on the cheek and...