Yo' Mama is so old, she dreams in black and white.
Yo mama is so stupid that when she got locked up in the supermarket she starved to death.
Yo mama's so old her breast milk is powdered.
Yo' Mama is so stupid, she jumped off a cliff and stopped for directions.
Yo' Mama is so fat, she gets her nails done at the auto shop.
Q: What is white at the top and black at the bottom? A: Society!
Yo mama's so fat, that her MySpace has no space.
Yo mama's so fat when she made a YouTube account the entire network crashed.
Yo Mama so fat when she went to the movies she sat next to everyone.
Yo' Mama is so nasty, simply bathing is part of her weight loss program.