Here are some randomly selected joke topics
Prehistoric
What do you call prehistoric sailing disasters?
Tyrannosaurus wrecks.
Fishmonger
Did you hear about the man who gave up his job as a fishmonger?
He said it was making him shelfish.
Elves
Q. What did the elf use to make him taller?
A. He used elf raising flour.
Grandchildren
Do you have any grandchildren?
No, all my children are just ordinary.
Dog
A FATHER: The man who has complete command, most of the time, of the dog.
Cats
What did the female cat say to the male cat?
You're the purrfect cat for me.
Lorry
What do you call a lorry that is full of feet?
A toe truck.
Onions
How do you start an onion race?
"Onion marks! Get set! Go!
Cats
Do radioactive cats have eighteen half-lives?