Here are some randomly selected joke topics
Doctors
When are doctors just like comedians?
When they have you in stitches.
Whales
Save the whales - collect the whole set
Goats
Why are goats fun to have at your party?
They are always kidding around.
Wet Paint
Wet Paint - this is not an instruction
Vegetables
Which vegetable goes best with jacket potatoes?
Button mushrooms.
Waiters
Customer: Waiter, there is there a small bug in my salad?
Waiter: l'm terribly sorry. Would you like me to get you a bigger one?
Elephants
What do you get if you cross a worm with an elephant?
Great big holes in your garden.
Samson
Why was Samson so popular?
He brought the house down.
Mother
John: My mother thinks I'm too thin.
Helen: What gave you that idea?
John: She is always saying she can see right through me.