Here are some randomly selected joke topics
Fool
You can fool some of the people all of the time, and all of the people some of the time,
but you can make a fool of yourself anytime.
Dogs
What dog smells of onions?
A hot dog.
Cows
What do you get from pampered cows?
Spoiled milk.
Christmas
What do sad Christmas trees do?
They pine a lot.
Doctors
Doctor, doctor, I feel like a 10 Dollar note
Well go and buy something then, the change will do you good.
Pigs
Why did the pig give his girlfriend a bunch of flowers?
It was Valenswine's Day!
Teachers
Teacher: Billy, why have you not given me your homework?
Billy: I made it into a paper aeroplane and someone hijacked it.
Alcohol
Alcohol and calculus don't mix. Never drink and derive.
Judges
Robber: Your Honor. I'm sorry for breaking into the Italian restaurant.
Judge: Thirty days for disturbing the pizza.