Here are some randomly selected joke topics
Cattle
What do you call cattle that have a sense of humor?
Laughing stock.
Uncles
I said to my uncle, 'How long have you been bald?'
He said 'Ever since the war lad. I lost it in a hair raid.'
Christmas
How to cats greet each other at Christmas?
"I wish you a furry merry Christmas and a Happy mew year".
Barbers
How does a barber cut the moon's hair?
Eclipse it.
Knock Knock
Knock, knock.
Who's there?
Nova.
Nova who?
Nova look back.
Matrimony
"Matrimony isn't a word, it's a sentence."
Omlette
Did you hear about the idiot who thought Hamlet was an omlette served with bacon?
Pets
What kind of pets like to lay around the house all day?
Car-pets!
Airplane
Something Went Wrong in Jet Plane Crash, Expert Says