Yo mama is so stupid that when the computer said "Press any key to continue", she couldn't find the 'Any' key.
Yo mamma so stupid she locked herself out of her motercycle.
Yo mama's so stupid, she thought "Dunkin' Donuts" was a basketball team.
Yo mama so stupid when she pays her bills she gives pennies to her cash.
Yo' Mama is so stupid, she voted for a pit bull wearing lipstick.
Yo' Mama is so stupid, she gave your kids a "Yo' Grandmama Is So Stupid" joke book.
Chuck Norris was supposed to be in the movie Halloween but the director thought it would be kind of stupid for Michael Meyers to stab himself in fear.
Yo' Mama is so stupid, it took her an hour to cook instant rice.
"Have you heard my knock-knock joke?" asked the blonde. "No," said the brunette. "Okay," said the blonde, "you start."
Yo mama is so stupid, she did her dad last night.