Here are some randomly selected joke topics
Baseball
Why is a baseball team like a pancake?
Because they both need a good batter.
French
Knock, knock.
Who's there?
Francis.
Francis who?
Francis where French people live.
Father Christmas
Why is a lion in the desert like Father Christmas?
Because it has sandy claws.
Leave
I'd like to leave you with one thought...but I'm not sure you have anywhere to put it!
Soon
Knock, knock.
Who's there?
Abyssinia.
Abyssinia who?
Abyssinia very soon.
Suggestions
Hi, this is John's answering machine. He's not here, but I'm open to suggestions.
Christmas
What carol do elephants like to sing at christmas?
Noel-ephants, Noel-ephants...
Scottish
Why do bagpipers walk when they play?
They're trying to get away from the noise.
Office
"Duties will vary."
Anyone in the office can boss you around and tell you what to do.