Here are some randomly selected joke topics
Magic
Did you hear about the magic tractor?
It turned into a field.
Weddings
My wedding was a very emotional experience, even the wedding cake was in tiers.
Love
Knock, knock.
Who's there?
Yule.
Yule who?
Yule never know just how much I love you.
Tourists
Tourist: Is that chin-strap to keep your helmet on?
Policeman: No, sir, it's to rest my jaw on after answering stupid questions.
Soda
Knock, knock.
Who's there?
Soda.
Soda who?
Soda you.
Caveman
What do you call a caveman who is wandering slowly around the place?
A meanderthal man.
Mother
Mother: Do you like moving pictures?
Son: I sure do, Mom.
Mother: Good! Then you can help me carry down some pictures from the attic.
Dentists
I don't like my dentist - he's a real bore.
Knock Knock
Knock, knock!
Who's there?
Mae.
Mae who?
Mae be I'll tell you if you let me in.