Here are some randomly selected joke topics
Thieves
A gang of thieves broke into a blood bank last night and stole a hundred pints of blood. Police are still hunting for the clots.
Robbery
What do you get if you cross a thief with an orchestra?
Robbery with violins.
French
Did you hear about the three French swordsmen who liked to put mustard in their ears?
They were known as the three mustardears.
Computers
Another megabytes the dust.
Elves
Q. What did the elf use to make him taller?
A. He used elf raising flour.
Computers
Unix - Reach out and grep someone.
Rabbits
How do you post a rabbit?
By hare mail.
Christmas
What does a monster write on his Christmas cards?
Best vicious of the season.
Blondes
Q: What do you call it when a blonde dies her hair brunette?
A: Artificial intelligence.