Yo Mama - All My Children
Yo mama so ugly, I went to her house, saw her TV was covered with cockroaches, asked her what she was watching, and she said 'All My Children'.
Yo Mama - Littering
Yo mama so ugly, when she was young, her mama left her outside a store and got fined for littering.
Yo Mama - Hairline
Yo mama so ugly, her hairline is receding just to get away from her face.
Yo mama is so ugly that when Justin Bieber saw her, he said "Never."
Yo Mama - Slingshot
Yo mama so ugly her parents had to feed her with a slingshot.