Here are some randomly selected joke topics
Fish
How do fish get to school?
They go by octobus.
Teachers
Where do mad teachers go to get trained?
Looney-versity.
Parrots
What is a polygon?
A dead parrot.
Birds
What happened when the owl lost his voice?
He didn't give a hoot.
Driving
You never really learn to swear until you learn to drive.
Weddings
My wedding was a very emotional experience, even the wedding cake was in tiers.
Computers
How do you park a computer?
You back it up.
Barman
Two fonts walk into a bar. The barman says to them, "Get out. We don't serve your type in here."
Pilot
Why did the pilot visit the physiatrist?
Because he was plane crazy.