Yo momma so fat, she fell into a black hole and it clogged!
Yo momma so ugly she threw a boomerang and it refused to come back.
I was sitting in a bar one day and two really large women came in, talking in an interesting accent. So I said, "Cool accent, are you two ladies from Ireland?" One of them snarled at me, "It's Wales, dumbo!" So I corrected myself, "Oh, right, so are you two whales from Ireland?" That's about as far as I remember.
Yo Mamas so stupid she was yelling into the mailbox. We ask her whats she doing and she said, she was sending a voice-mail.
Yo mamma so ugly even Bob the Builder said, "We cant fix it."
Yo Momma So Fat The Only Letters She Knows In The Alphabet Are K.F.C!
Yo momma so stupid, when I told her that she lost her mind, she went looking for it.
Yo' Mama's cooking is so bad, the homeless give it back.
Yo mamma so fat I took a picture of her last Christmas and its still printing.
Yo' Mama is so stupid, when they said, "Order in the court," she asked for fries and a shake.