Here are some randomly selected joke topics
Cannibals
1st Cannibal: Am I late for supper?
2nd Cannibal: Yes everybody's eaten.
Barbers
Why do ex-barbers make such good parcel delivery drivers?
They know all the short cuts.
Dentists
Why did the king visit the dentist?
Because he wanted to have his teeth crowned!
Computers
Profanity is the one language all programmers know best.
Stupid
How many jerks who ask stupid questions does it take to screw in a light bulb?
Change it to what?
Boss
We call our boss caterpillar.
He got where he is by crawling.
One Of Those Things
Knock, knock.
Who's there?
Jess.
Jess who?
Jess one of those things.
Vampires
What type of restaurants are vampires careful to avoid?
Stakehouses!
Astronauts
What does an astronaut do in the morning before he puts on his clothes?
He takes a meteor shower.