Here are some randomly selected joke topics
Clown
What do you get if you cross a circus clown and a goat?
You get a silly billy.
Journalists
Old journalists never die, they just get de-pressed.
Mother
Billy: My mother has the worst memory in the world.
Frank: She forgets everything?
Billy: No. she remembers everything.
Dentists
Why did the king visit the dentist?
Because he wanted to have his teeth crowned!
Women Drivers
Wife (learning how to drive): "I don't know what to do next."
Husband: "Just imagine that I'm driving the car, dear."
Computers
What do computers like to eat when they are hungry?
Chips.
Vegetarians
If vegetarians eat vegetables, what do humanitarians eat?
Knock Knock
Knock, knock.
Who's there?
Nova.
Nova who?
Nova look back.
Catch
What do we often catch but never see?
A passing remark.