Your momma so fat... All the restaurants in town have signs that say: "Maximum Occupancy: 240 Patrons OR Your Momma"
Yo mama is so dark that that she can leave fingerprints on carbon.
"Yo momma so fat when she steps on a weighing machine, it read ‘one at a time, please'!"
Yo momma's so fat... Your family portrait has stretch marks
Yo Mama so old... She's got Adam and Eve's autograph.
Yo Mama so poor I saw her with one shoe in the garbage can and I said, "Did you lost a shoe." And she said, "Nope I just found one."
Yo mamma so ugly that her birth certificate came with an apology letter from the condom factory.
Yo' Mama is so dumb, she got fired from a blow job.
Yo mama so fat when you have sex with her you have to slap her stomach and ride the wave in.
Yo' Mama is so skinny, she uses dental floss for toilet paper.