Spot on, ^5 for calling it what it is.
The boy is so fat that when he hauls ass he has to make two trips!
He's so fat, (how fat?) his butt beeps when he backs up!
He's so fat, he wears a watch on each wrist, because he covers 2 time zones.
He's so fat, when he goes swimming, he leaves a ring around the lake.
He's so fat, he's banned from "All You Can Eat" buffets.
He's so fat, he looses the TV remote in the folds of his skin.
He's so fat, people he thinks are fat tell him, "You're FAT!"
He's so fat, he can rent out his back as a billboard.