Here are some randomly selected joke topics
Kidding
"Hello, this is Dave. (pause) Hello? Hello!!? Nah, just kidding. This is an answering machine.
Eat
Eat well, stay fit, die anyway.
Computers
What do computers like to eat when they are hungry?
Chips.
Pizza
Did you hear the joke about pizza?
Never mind, it's too cheesy.
Waiters
Waiter, waiter, this coffee tastes like tea.'
'oh, I'm sorry, sir. I must have brought you cocoa by mistake.'
Tooth
What did the tooth say to the departing dentist?
Fill me in when you get back.
Lunch
Knock knock.
Who's there?
Venice.
Venice who?
Venice lunch going to be ready?
Ducks
What happens when ducks fly backwards?
They quack up.
Apathy
Apathy rules - so what?