1] Yo mama so dirty she has to creep up on bathwater.
2] Yo mama so dirty she makes mud look clean.
3] Yo mama so dirty that she was banned from a sewage facility because of sanitation worries!
4] Yo mama so dirty that you can't tell where the dirt stops and she begins.
5] Yo Mama's so dirty, she's got more clap than an auditorium.
6] Yo mama so dirty she brings crabs to the beach.
7] Yo Mama's so dirty, she has more crabs then Red Lobster.
8] Yo Mama's so dirty, she made Right Guard turn left.
9] Yo Mama's so dirty, she went swimming and made the Dead Sea.
10] Yo Mama's so dirty, a skunk smelled her ass and passed out.