Here are some randomly selected joke topics
Doctors
Patient: Doctor, doctor, I feel like a car.
Doctor: I would recommend you to take a brake.
Optician
Did you hear about the optician who tripped over a dog?
He made quite a spectacle of himself.
Software
My software never has bugs. It just develops random features.
Mouse
How does a mouse feel after it takes a bath?
Squeaky clean.
A Great Time
Knock, knock.
Who's there?
Havana.
Havana who?
Havan-a great time, hope you are having one too.
Blondes
How do you make a blonde laugh on Saturday night?
Tell her a joke on thursday...
Cows
Did you hear what happened when the cows refused to be milked?
There was udder chaos.
Cows
What do you get if you cross a cow with a famous hunchback?
Quasi-moo-do.
Fish
What do fish play on the piano?
Scales!