yo mama so poor, she can't afford to pay attention...
you mama so fat, she saw a yellow school bus full of white kids drive past and yelled
" stop that twinkie"
Yo mama so fat when you get on top of her your ears pop!
Yo mamma so fat you haveta roll over twice to get off her...
since this is a fish forum.....
Yo mama so fat she had to go to Sea World to get baptized
Yo mama so fat she lay on the beach and people run around yelling Free Willy