Joke: Yo mama's so old, I told her to act her own age and she died.

Joke: Yo mama's so stupid, she locked herself in her car and she had to call AAA to get her out.

Joke: Yo mama's so ugly, she gives Freddy Kruger nightmares!

Joke: Yo mama's so fat, she could sell shade!

Joke: Yo mama's so poor, when she goes to KFC she licks other people's fingers.

Joke: Yo mama's so old, her memory is in black and white.