Here are some randomly selected joke topics
Waiters
What do you get when you cross a hen and a waiter?
A hen that lays tables.
Cows
How does a cow solve math problems?
With a cowculator.
Drinkers
Old drinkers never die.
They just get plastered.
Doctors
Doctor, Doctor I tend to flush a lot.
Don't worry it's just a chain reaction.
Cops
Yo' momma's so fat, she was standing at a corner and the cops came over and said, "Hey! Break it up!"
School
Teacher: Today I want you to write an essay on an elephant.
Pupil: But won't we fall off?
The Moon
What is large, bright and stupid?
A fool moon.
Keyhole
Knock, knock.
Who's there?
Ike.
Ike who?
Ike'n see you through the keyhole.
Dog
A FATHER: The man who has complete command, most of the time, of the dog.