Yo momma so fat, her patronus is a cake.
Yo mama so stupid, she thought Ewoks were just Homeless Care Bears on drugs.
Yo momma so fat, she fell into a black hole and it clogged!
Yo' Mama is so stupid, she reported her stolen crack to the cops.
Yo mama so fat the only liquor she knows is liquorice.
Yo moma is so fat, and so nasty, when she sat down on the toilet, grown men fall out of her screaming "We're free! We're free!"
Yo mama is so stupid that she went to the store to buy a color TV and asked what colors they had.
Q: What's the difference between 3 d*cks and a joke? A: Your mom can't take a joke.
Yo Momma's so stupid, she ordered a cheeseburger without the cheese.
Yo Mama is so fat and ugly she and Godzilla are twins.