Here are some randomly selected joke topics
Mistake
Knock, knock.
Who's there?
Jamaica.
Jamaica who?
Jamaica mistake?
Sweet
What is sweet and sticky and stops traffic?
A traffic jam.
Cow
what do you get if you cross a cow with a mule?
Milk with a kick to it.
Ghosts
Where do ghosts go to get an educated?
High sghoul.
Succeed
If at first you don't succeed, try management.
Horses
What has two heads, six legs and a tail?
A man on a horse.
Knock Knock
Knock, knock!
Who's there?
Fido.
Fido who?
Fido known you'd be so awkward, I wouldn't have come here to see you.
Cold
Knock, Knock!
Who's There?
Let me!
Let me who?
Will you please let me in, it's cold out here!
Santa
Why did Santa get a parking ticket?
He parked in a snow parking zone.