Here are some randomly selected joke topics
Patient
Patient At Death's Door - Doctors Pull Him Through
Drunk
The drunker I sit here, the longer I get.
Spaceman
What is a spaceman's favorite game?
Astronauts and crosses.
Cat
Knock Knock
Who's There
Cat
Cat Who
Caterpilla
Management
The degree of technical competence is inversely proportional to the level of management.
Money
Knock, knock.
Who's there?
Jimmy.
Jimmy who?
Jimmy all your money.
Microscope
Why did the germ cross the microscope?
It wanted to get to the other slide.
Dumb
I'm not as dumb as you look.
Banks
Why can't you keep any secrets in a bank?
Because of all the tellers.