Here are some randomly selected joke topics
Teenagers
The average income of the modern teenager is about 2 a.m.
Biscuits
Why do stupid people eat biscuits?
Because they're crackers.
Husband
Maid: Your husband's locked up for the night, ma'am.
Mistress: Fine, but I didn't hear him come in.
Maid: He didn't. The police just phoned.
Girlfriends
Billy: My girlfriend has what is known as a sympathetic face.
John: What do you mean?
Billy: When people see her face they feel sympathetic.
Waiters
What do you get when you cross a hen and a waiter?
A hen that lays tables.
Blondes
Q: What job function does a blonde have in an M&M factory?
A: Proofreading.
Sheep
What does a sheep that doesn't like Christmas say?
Baaaa Humbug.
Farmers
In college I'm studying Pharmacy - because I've always wanted to be a farmer.
Dentist
How did the dentist become a brain surgeon?
His drill slipped.