Yo mamma is so ugly when she tried to join an ugly contest they said, "Sorry, no professionals."
Yo mama so ugly that when she delivered a little baby after birth the baby saw mum and screamed "It's a gorilla!".
Yo momma's so fat; she's on both sides of the family!
Yo mama so ugly when Santa came down the chimney he said ho! ho! hoooollly shit!
Yo' Mama is so stupid, she tried to put the leftover orange juice back in the rind.
Yo mommas so stupid she failed a survey.
Yo' Mama is so fat, she couldn't identify a picture of her feet.
Yo' Mama is so flat, the last time she felt a breast was in a KFC bucket.
Yo mama is so fat whenever I want to make sex I would request her to fart in order to find the address of her ass.
Yo momma's so fat; she's got her own zip code!