Yo' Mama is so stupid, she jumped off a cliff and stopped for directions.
Yo mamma is so fat when she went to the movie theater people said "Look at king Kong in 3D."
Yo Mama is so black, when she leans up against a white wall she looks like an alley.
Vote:
Yo' Mama is so nasty, she put ice down her pants to keep the crabs fresh.
Yo Mama's so ugly, I can f**k her in any position and it'll still be doggie-style.
Yo mama so ugly that she saw herself six ways in the mirror!
Yo mama is so fat, she doesn't fit in this joke.
Yo mama is so fat, it says to be continued, when she gets on a weighing-machine.
Yo Momma has so many chins, it looks like she's wearing a fat necklace!
Your momma is so ugly when she look in the mirror it shattered.