Here are some randomly selected joke topics
Pigeons
Where do pigeons meet for coffee?
In a nest-cafe.
Cows
Did you hear about the rich Arab who bought a herd of cows?
He became a milk sheikh.
Programming
If debugging is the process of removing bugs, then programming must be the process of putting them in.
Judges
What did the judge say to his wife when he got home from the law courts?
It's been a very trying day!
Intelligent
Beam me up, Scotty. There's no intelligent life down here. - J.T. Kirk
Finish
I never used to be able to finish anything, but now I ....
Astronauts
Astronaut Takes Blame for Gas in Spaceship
Wife
George: This year my wife gave me a wonderful birthday present.
Fred: What was it?
George: She let me win an argument.
Golf
Golfer: "That can't possibly be my ball. It looks far too old".
Caddy: "Well, It has been a long time since we started, sir."