Here are some randomly selected joke topics
Piano
Patient: Doctor, I feel like a piano.
Doctor: Wait while I make some notes.
Bugs
Bugs are Sons of Glitches!
Executive
He is a born executive . . . his father owns the business.
Watchman
Bill: I hear that work as a night watchman. What do you watch?
Ben: I don't know. It's so dark I can't see a thing.
Fish
Why is it easy to weigh a fish?
Because it has its own scales!
Cats
Why was the cat afraid of the tree?
Because of its bark.
Pigs
What kind of pigs are you likely to find on the highway?
Road hogs.
Computers
As a computer, I find your faith in technology amusing.
A Zebra
What do you get if you cross a zebra and a pig?
Striped sausages.