Here are some randomly selected joke topics
Cowboys
'Did you hear about the cowboy who was hanged for wearing paper trousers?'
'No, why was that?'
'Because they were rustling.'
Christmas
Knock, knock.
Who's there?
Rapture.
Rapture who?
Rapture Christmas presents yet?
Farmers
Why did the farmer feed his pigs sugar and vinegar?
He wanted sweet and sour pork.
Spaceman
What do you call a crazy spaceman?
An astronut.
Listened
Joe: Oh, I wish I'd listened to my mother!
Will: Why? What did she tell you?
Joe: I don't know! I didn't listen!
Hotels
Fred goes into a hotel and says to the receptionist 'I'd like a room please.'
Receptionist: 'Single, Sir?'
Fred: 'Yes, but I am engaged.'
Monsters
What should you do with a green monster?
Wait until he is ripe.
Personality
You have a striking personality. How long has it been on strike?
Knock Knock
Knock, knock.
Who's there?
Liz.
Liz who?
Liz see what you look like.