Stupid
Yo' mama's so stupid, she got hit by a cup and told the cops she got mugged!
Cinderella
Why was Cinderella so useless at sport?
Because her coach was a pumpkin.
Nurses
What do you call a butterfingered nurse?
A medicine dropper.
Dogs
What do you get if you cross a traffic warden with a dog?
A barking ticket.
Everything
Go ahead, tell them everything you know. It'll only take 10 seconds.
Doctors
Doctor, doctor, I keep thinking I'm a bee.
Buzz off. Can't you see that I'm busy?
Teachers
Where do mad teachers go to get trained?
Looney-versity.
Knock Knock
Knock, knock.
Who's there?
Sizzle.
Sizzle who?
Sizzle hurt me more than it hurts you.
Bananas
Why did the banana cross the road?
It was a slip road.