Here are some randomly selected joke topics
Doctors
Doctor, Doctor everyone keeps calling me a liar.
I can't believe that!
Teachers
Where do mad teachers go to get trained?
Looney-versity.
Knock Knock
Knock, knock!
Who's there?
Fido.
Fido who?
Fido known you'd be so awkward, I wouldn't have come here to see you.
Friends
What do you call a man and woman who keep showing you up in front of your friends?
Mum and Dad!
Stealing
The man said, 'My problem is I keep stealing things.'
My brother said, 'You'd better take something for that.'
Strawberries
Why were the strawberries crying?
Because they were in a jam!
Politicians
Statesmen tell you what is true even though it may be unpopular. Politicians will tell you what is popular, even though it may be untrue.
Experts
Experts Are Sure The Dow Will Either Rise Or Decline
Knock Knock
Knock, knock.
Who's there?
Ifor.
Ifor who?
Iforgot my key.