Yo mama is so stupid that when a teacher told the class nobody is perfect, he replied, "I want to become nobody!"
A teacher asked a student to write 55. Student asked: How? Teacher: Write 5 and beside it another 5! The student wrote 5 and stopped. Teacher: What are you waiting for? Student: I don't know which side to write the other 5!
Yo' Mama is so stupid, she climbed a glass wall to see what was on the other side.
Yo' Mama is so stupid, she thought Meow Mix was a rap CD for cats.
Q: What does a blonde say when you ask her if her blinker is working? A: Yes. No. Yes. No. Yes. No. Yes. No. Yes. No.
Yo mama's so stupid when she cries for help she says "come here please".
Yo' Mama is so stupid, she thought a ribbed condom was soul food.
Little Johnny was a chemist. Little Johnny is no more. What he thought was H2O was H2SO4.
A Liberal found a magic genie's lamp and rubbed it. The genie said, "I will grant you one wish." He said, "I wish I were smarter". So the genie made him a Republican.
Yo mama's so stupid she studied for blood test and failed.