Yo Mama is like a refrigerator. Meat goes in and out all day.
Yo' Mama is so fat, when she walked past the TV, I missed a two-hour special of "Lost."
Yo' Mama is so poor, her tv only has two channels: on and not working.
"Yo momma so stupid she steals free bread!"
Yo momma so stupid she bought a solar-powered flashlight!
Yo mommas so stupid when she licked a dog she said meow.
Yo' Mama is so stupid, she gave your kids a "Yo' Grandmama Is So Stupid" joke book.
Yo mama is so fat she got on a scale and it said: One person at a time please!
What's the difference between a rooster and your mom? A rooster says cockadoodledoo, Your mom says anycockledoo.
Yo mama so heavy that when she went in the elevator as soon as one foot goes in falls strait to the bottom.