Here are some randomly selected joke topics
Doctors
Doctor, Doctor, I keep seeing pink elephants.
Have you seen a psychiatrist?
No - only pink elephants.
Astronauts
What does an astronaut do in the morning before he puts on his clothes?
He takes a meteor shower.
Sheep
What does a sheep that doesn't like Christmas say?
Baaaa Humbug.
Elephants
What is big, grey and far too dangerous to appear in a circus?
An elephant with a machine gun.
This Morning
I heard something this morning that really made me open my eyes.
What was it?
My alarm clock.
Mistake
Knock, knock.
Who's there?
Jamaica.
Jamaica who?
Jamaica mistake?
Car
Patient: Doctor, I feel like a car!
Doctor: Well, just park yourself over there.
Cannibals
Why was the cannibal expelled from school?
Because he kept buttering up the teacher.
Trees
What is white, light and sugary and swings from trees?
A meringue-utan.