Yo' Mama is so ugly, she can only grow hair on her nuts.
Yo' Mama is like a heavyweight boxer: a few licks, a few blows, and she's back to her corner.
Yo' Mama is like a telephone book: available to the public, no charge.
Yo' Mama is so ugly, her face looks like a horse's ass flapping in the breeze.
Yo' Mama is so nasty, she can sit on a lollipop and guess its flavor.
Yo' Mama is like a race car: she burns through four rubbers a night.
Yo' Mama is like a postage stamp: you lick, you stick, you send her away.
Q: What's the difference between Yo' Mama and a hippo? A: One has a big mouth and a fat ass. The other lives in rivers in tropical countries.
Yo' Mama is so stupid, she thinks the Wu-Tang Clan is a Japanese orange drink company.
Yo' Mama is so bald, her cornrows look like stitches.