Fat friction is generated from the rubbing together of thunder thighs when obesepeoplewalk. It has been estimated that a chubber wearing corduroy pants can generate 800 BTUs of heat-enough to make a grilled cheese sandwich.
My girlfriend melted the crotch out of her nylon windsuit with fat friction.
When you've been holding your pee for literally more than 3 hours so when you finally do release your pee, you don't have to push it out, it just flows.
Dude, I was at that party all night, and when I gothome, I had to take a fat piss.