Here are some randomly selected joke topics
Pizza
Knock knock.
Who's there?
Pizza.
Pizza who?
I'm gonna give her a pizza my mind!
Noses
When they were handing out noses, you thought that they said roses and so you asked for a big red one.
Stupid
It's your right to be stupid, but it doesn't mean you need to be!
Scientists
Why do scientists call it research when looking for something new?
Boyfriends
Mary: Why do you call your boyfriend 'wonder'?
Karen: Because I look at him and wonder.
Knock Knock
Knock, knock.
Who's there?
Nova.
Nova who?
Nova look back.
Doctors
Doctor, doctor, I've got a little sty.
Well you'd better buy a little pig for it then.
Nostalgia
Nostalgia is a thing of the past
Labor
Heavy labor is aardvark ... but it pays well