Yo mama's so stupid she studied for blood test and failed.
Yo mama is so old that she's mentioned in the shout out at the end of the bible.
Yo moma so fat that when I tried to have sex with her I burned my ass off the lightbulb.
Yo' Mama is so nasty, the animals at the petting zoo make her wear gloves.
"Yo momma so fat when she rides in a hot air balloon, it looks like she's wearing tights!"
Yo momma's so stupid, she put two quarters in her ears and thought she was listening to 50 Cent.
Yo momma’s so stupid, she died before the police arrived because she couldn’t find the ‘11’ button in ‘9-1-1’.
Yo momma so stupid she sits on the TV, and watches the couch!
Yo' Mama is so stupid, she taped toilet paper to her TV set for free paper view.
Yo mama is so ugly she made the ugliest person in the world cry.