Here are some randomly selected joke topics
Elephants
Why do elephants do so well in school?
Because they have a lot of grey matter.
Wife
Bill gave his wife a real surprise on her birthday. He remembered it.
Doctors
Doctor, Doctor I tend to flush a lot.
Don't worry it's just a chain reaction.
Teeth
What do you call a polar bear who has lost all his teeth?
A gummy bear.
Beer
Who said beer won't make you smarter? It made Bud wiser!
Football
Knock, knock.
Who's there?
Money.
Money who?
Money is stiff, I hurt it playing football.
Fairies
What do you call a fairy that never takes a bath?
Stinkerbell.
Armageddon
Knock knock.
Who's there?
Armageddon.
Armageddon who?
Armageddon out of this place.
Roman
Which famous Roman general always had colds?
Julius Sneezer!