Yo Mama - Gross Toilet
Yo mama so gross ...when she passes by the toilet it flushes!
Yo Mama - Heels
Yo mama so fat she left the house in high heels and when she came back she had on flip flops.
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 - Monster Truck
Yo mama so fat, she got hit by a monster truck and said, "Who pushed me?"
Yo Mama - Zoo
Yo mama so ugly when she took you to the zoo, the owner thanked you for bringing her back!