Here are some randomly selected joke topics
Knock Knock
Knock Knock
Who's there?
Wendy
Wendy who?
Wendy red red robin goes bob bob bobbin along.
Dentists
Did you hear about the dentist and the manicurist?
They are always fighting tooth and nail.
Cowboys
Knock knock.
Who's there?
Ya.
Ya who?
I didn't know you were a cowboy.
Woodworm
Patient: Doctor, I keep thinking that I'm a woodworm.
Doctor: How boring.
Firemen
How many firemen does it take to change a light bulb?
Four - three to cut a hole in the roof and one to change the bulb.
Witches
Which witch can you take to lunch?
A sandwich.
Blondes
Q: What do you call a fly buzzing inside a blonde's head?
A: A Space Invader.
Mushrooms
What do you call a mushroom that is always happy?
Fun Gus.
Crab
Why was the crab arrested?
He was caught pinching things.