Here are some randomly selected joke topics
Doctors
Doctor, Doctor, everyone keeps ignoring me.
Next, please.
Florida
Knock, knock.
Who's there?
Fortification.
Fortification who?
Fortification, we're going to Florida.
Spaceships
What do you call a spaceship that is always saying sorry?
An Apollo G.
Folk Singers
How many folk singers does it take to change a light bulb?
Six - one to do all the work and five to write a song about how good the old one was.
Food
Waiter, this food isn't fit for a pig.
I'm sorry sir, I'll bring you some that is.
Dogs
What kind of dog sniffs out new flowers?
A bud hound.
Aliens
What do you call a fat alien?
An extra cholesterol.
Chicken Soup
Have you ever had chicken soup?
No, I've never known a chicken who could cook.
Cashiers
How many grocery store cashiers does it take to screw in a light bulb?
Are you kidding? They won't even change a five dollar bill.