Here are some randomly selected joke topics
Knock Knock
Knock, knock!
Who's there?
Water.
Water who?
Water you waiting for? Let me in!
Person
"Hello, is this the person to whom I am speaking?"
Scotsman
Did you hear about the Scotsman who washed his kilt?
He couldn't do a fling with it.
Astronauts
Where do astronauts leave their spaceships?
At parking meteors.
Lawyers
What kind of clothes do lawyers wear?
Lawsuits.
Dangerous
What is yellow, hot and highly dangerous?
Shark-infested custard.
Drums
The first thing a child learns when he gets a drum is that he'll never get another one.
Blood
I was supposed to work in the blood lab, but they told me I wasn't the right type for the job.
Beer
How does a man show that he is planning for the future?
He buys TWO cases of beer.