Yo Mama so old... When Moses parted the Red Sea, he found yo mama fishing on the other side!
Yo' mama so stupid, she told me to meet her on the corner of "walk" and "don't walk."
Yo' Mama is so old, she went to an antique shop, and they kept her.
Yo' Mama is so fat, when she walked past the TV, I missed a two-hour special of "Lost."
Yo mama's so fat, they used her for a trampoline at the Olympics.
Yo mama is so fat that she has to buy three airline tickets for her flight.
Yo mama's so skinny, she used a needle for a baseball bat.
Yo momma's so fat... The animals at the zoo feed her.
Yo' Mama is so stupid, she taped toilet paper to her TV set for free paper view.
Yo' mama's breath so nasty, I don't know whether to give her Tic-Tacs or toilet paper!