Your Mom is so skinny she has to wipe her ass with dental floss.
Q: Why did the Republican cross the road? A: There was a black guy on the first side.
Yo mama so stupid she put lipstick on her forehead to make up her mind.
Yo' Mama is so nasty, when her dog farts, she takes the credit.
Yo' Mama is so stupid, she poured a bowl of Cheerios and said, "Look, my alphabet soup spells 'Ooooo.'"
Yo momma so fat that when she went to her prom she literally raised the roof.
Yo mama so fat people used her as a tramp.
Q: Why don't fat people were turtlenecks? A: Because turtles are now endangered.
Yo' Mama is so nasty, her farts are classified as biological weapons.
Yo mama is so fat, she doesn't fit in this joke.