Here are some randomly selected joke topics
Teacher
I went to high school so long that the other students brought me apples . . . they thought I was the teacher.
Caterpillar
What does a caterpillar do every 1st of January?
He turns over a new leaf.
Father Christmas
Why did Father Christmas want a garden?
So he could Ho, Ho, Ho!
Dogs
What type of dog wears a uniform and a badge?
A guard dog.
Australians
How many Australians does it take to screw in a light bulb?
Two - one to say "She'll be right mate" and one to fetch the beers.
Reality
My reality check just bounced - Insufficient substance.
Skunks
What does a skunk do when it gets angry?
It raises a stink!
Doctors
Doctor, Doctor I feel like an apple.
Don't worry we'll soon get to the core of this!
Criminals
What do ghostly policemen do?
They haunt criminals.