Here are some randomly selected joke topics
Tennis
Knock knock.
Who's there?
Tennis.
Tennis who?
Tennis five plus five.
Lawyers
Where can you find a good lawyer?
In the graveyard.
Frogs
What does a frog like to order with a burger?
Jumbo flies and a diet croak.
Politicians
The statesman shears the sheep, the politician skins them.
Boa Constrictors
Did you hear about the two boa constrictors who recently got married?
They had a crush on each other.
Haunted
How do you open a haunted house?
You use a skeleton key.
Dogs
Did you hear about the dog who went to a flea circus?
No, what happened?
He stole the show.
A Minute
How long a minute is depends on which side of the bathroom door you are on.
Pigs
What do you get if you cross a pig with Count Dracula?
A hampire.