Here are some randomly selected joke topics
Astronauts
Why were the astronauts not hungry?
Because they recently had a big launch.
Cows
What do you call a cow that just had a calf?
Decalfinated!
Politicians
A politician is a man who stands for what he thinks the voters will fall for.
Fly
"Waiter, there's a fly in my soup!"
"I'm not surprised, sir, our chef used to be a tailor."
Angry
Why are you so angry?
Because it's all the rage.
Elephant
Why wasn't the elephant allowed on the plane?
Because his trunk wouldn't fit under the seat in front of him.
A Pencil
What do you call a pencil when it stops rolling?
Stationary.
Money
My brother said, 'I'm going to become a forger. I'm going to make some big money.'
I said, 'Don't make it too big or someone'll notice.'
Cannibals
First Cannibal: "Have you seen the dentist?"
Second Cannibal: "Yes, he filled my teeth at dinner time."