Here are some randomly selected joke topics
Knock Knock
Knock, knock.
Who's there?
Demure.
Demure who?
Demure the merrier.
Cars
What do you call a country where all of the cars are pink?
A pink carnation.
Bars
I was out drinking in a bar last night and a woodworm asked me: "Is the bar tender here?
Witches
Why did the witch drop out of school?
She couldn't spell.
Drunks
"I'm not under the alkafluence of inkahol that some thinkle peep I am.
It's just the drunker I sit here the longer I get."
Door
Knock, knock.
Who's there?
Emmett.
Emmett who?
Emmett the front door, not the back one.
Rabbits
Did you hear about the rich rabbit?
He was a millionhare.
On Time
Knock, knock!
Who's there?
Huron.
Huron who?
Huron time for a change.
Waiters
Waiter, waiter, there's a small fly in my soup.
I'm sorry, sir. Shall I get you a bigger one?