Yo' Mama is so nasty, her vagina's in the Axis of Evil.
Yo' Mama is so stupid, she voted for a pit bull wearing lipstick.
Your moms pussy is so hairy when your brother was born he died of rug burn.
"Yo momma so fat when she steps on a weighing machine, it read ‘one at a time, please'!"
Yo' Mama is so stupid, she gave your kids a "Yo' Grandmama Is So Stupid" joke book.
Yo mamma’s so fat, her belly button looks like a black hole!
Yo momma's so fat; she's in two time zones at the same time!
Yo' Mama's breath is so nasty, it makes onions cry.
Your mama so old she still owes Jesus five bucks.
Yo mama so bald, when she goes to bed, her head slips off the pillow.