Yo mama so stupid she thought a quarterback was an income tax refund.

Yo mama so stupid she took a umbrella to see Purple Rain.

Yo mama so stupid that under "Education" on her job apllication, she put "Hooked on Phonics."

Yo mama so stupid she put out the cigarette butt that was heating your house.

Yo mama so stupid she put lipstick on her forehead, talking about she was trying to makeup her mind.

Yo mama so stupid she watches "The Three Stooges" and takes notes.