Yo mama's so nasty, her tits give sour milk.
Yo mama's so nasty, I called her up for phone sex and she gave me an ear infection.
Yo mama's so nasty, I talked to her over the computer and she gave me a virus.
Yo mama's so nasty, she bit the dog and gave it rabies.
Yo mama's so nasty, she bought her boyfriend kneepads for Christmas.
Yo mama's so nasty, she breeds crabs.
Yo mama's so nasty, she calls Janet "Miss Jackson."
Yo mama's so nasty, she had sex with a woman and got pregnant.
Yo mama's so nasty, she has a sign by her pussy that says: "Warning: May cause irritation, drowsiness, and a rash or breakouts."
Yo mama's so nasty, she has more crabs then Red Lobster.
Yo mama's so nasty, she made Right Guard turn left.