Here are some randomly selected joke topics
Knock Knock
Knock, knock!
Who's there?
Bea.
Bea who?
Be a good boy and let me in.
Someone
How did you get here? Did someone leave the door of your cage open?
Fortune Tellers
Where do fortune tellers dance?
At the crystal ball!
Prisoners
What do prisoners use to call each other?
Cell phones.
Golf Caddy
John: I hear that you lost your job as a golf caddy?
Paul: Yeah, I could do the work all right, but I just couldn't stop myself laughing.
Will
What do you call a man with legal documents on his head?
Will.
School
Teacher: Today I want you to write an essay on an elephant.
Pupil: But won't we fall off?
Money
Why is it not difficult to swindle sheep out of their money?
Because it is easy to pull the wool over their eyes.
Texas
Did you hear about the kid from Texas who got all the way the finals of a national spelling bee but then lost out because he couldn't spell 'small'.