Here are some randomly selected joke topics
Judges
What did the judge say to his wife when he got home from the law courts?
It's been a very trying day!
Doctors
Doctor, doctor, my wife thinks that she's a clock.
I suspect you've just been trying wind her up.
Old
When I get old will the calves on my legs be cows?
Pets
What kind of pets like to lay around the house all day?
Car-pets!
Animals
What type of animal is no fun at a party?
A boar!
Bees
What do you call a bee that's had a spell cast on him?
Bee-witched.
School
Piano teacher to pupil: Your fingers are absolutely filthy!
Pupil: That's all right, Miss, I'm only playing the black keys.
Police
What do you get when you cross a police officer with an alarm clock?
A crime watch.
Bars
I'm watching my drinking, so now I only visit bars that have mirrors on the walls.