Here are some randomly selected joke topics
Frogs
What do you get if you cross a frog with a small dog?
A croaker spaniel.
Computers
If a listener nods his head when you're explaining your program, wake
him up.
Silence
Silence isn't always golden, sometimes it's guilt!
Sheep
What does a sheep that doesn't like Christmas say?
Baaaa Humbug.
Police
Why don't the police ever arrest skeletons?
Because it's difficult to pin anything on them.
Work
Work fascinates me. I can sit and watch it for hours.
Dentists
When I talk people listen with their mouth open.
Oh, you must be a dentist.
Dogs
What breed of dog sweats the most and drinks a lot of water?
A hot-weiler!
Dogs
What do you call a large pack of black and white spotted dogs that are boring?
101 Dull-matians.