Yo Mama - Which End

Yo' Mama is so ugly, when she was born, the doctor put her in a bucket of water to see which end would come up for air.

Yo Mama - Thinking

Yo' Mama is so bald, I can see what she's thinking.

Yo Mama - Curb Trip

Yo' Mama is so skinny, when she tripped and hit the curb, she shattered.