Here are some randomly selected joke topics
Tonic
Doctor, doctor, I keep thinking I'm a bottle of gin.
I think you need a little tonic.
Doctors
Doctor, Doctor, everyone keeps ignoring me.
Next, please.
Parrots
What flies through the jungle singing opera?
The parrots of Penzance.
A Pack Of Cards
My friend said, 'That bloke over there thinks he's a pack of cards.'
My brother said, 'I'll have to deal with him later.'
The Cops
Knock, knock.
Who's there?
Luke.
Luke who?
Luke out, the cops are after you.
Knock Knock
Knock, knock!
Who's there?
Doughnut.
Doughnut who?
Doughnut keep me waiting here!
Elephants
What are the largest ants in the world?
Elephants.
Fly
What do you get if you cross a fly with a detective?
A police insector.
Fireflies
How do fireflies start a race?
'Ready, Steady, Glow!'