Here are some randomly selected joke topics
Teachers
What is the difference between a locomotive engineer and a teacher?
One minds the train, the other trains the mind.
Mouse
When should a mouse carry an umbrella?
When it's raining cats and dogs.
Rabbits
What do you get if you cross a bumble bee with a rabbit?
A honey bunny.
Shoes
If the shoe fits, buy the other one too.
Doctors
Doctor, doctor, what's the best cure for water on the knee?
A tap on the ankle.
Frogs
What does a frog like to order with a burger?
Jumbo flies and a diet croak.
Doctors
Doctor, doctor, I keep thinking that I'm a bee.
Buzz off. Can't you see that I'm busy?
Elephants
What is big, grey and far too dangerous to appear in a circus?
An elephant with a machine gun.
Lawyers
What's the difference between a lawyer and a bull?
The lawyer charges more.