Joke: Yo moma's so fat, she's got other fat momas orbiting around her.

Joke: Yo mama so fat, when she goes camping, bears hide their food.

Joke: Yo mama so dumb, she thought Taco Bell was a Mexican phone company.

Joke: Yo mama so fat, her blood type is Ragu!

Joke: Yo mama's so old, her social security number is 1!

Joke: Yo mama so fat, when she fell down it was hilarious. I wasn't laughing, but the floor was cracking up!