Yo mamma is so ugly, she scared the shit out of the toilet.
Your momma is so hairy when she opens her legs it says "Welcome to Busch Gardens."
Yo momma is so poor that when I asked her whats for dinner tonight she lit her pocket on fire and said, "hot pocket."
Yo momma is so fat, when she sat on the back of the bus it did a wheelie.
Yo momma is so fat that the last time she saw 90210 was on the scale.