Here are some randomly selected joke topics
Astronauts
Astronaut Takes Blame for Gas in Spaceship
Doctor
Doctor, Doctor, I think I'm shrinking.
Doctor: Well, you'll just have to be a little patient.
Cats
Why was the cat scared of the tree?
Because of its bark.
Sherlock Holmes
Sherlock Holmes and Dr. Watson were having a rest in their hotel room when suddenly a tree walked in.
"Elm entry, my Dear Watson," said Holmes.
Scotsman
What do you call a Scotsman with a castle on his head?
Fort William.
The Ark
Q. How many animals of each sex did Moses take on the ark?
A. none. Moses was not on the ark.
Dandruff
Do you suffer from Dan Druff?
Well, just tell him to go away and leave you alone.
Ghosts
What is a ghost's favorite type of bird?
A scare-crow.
Be Yourself
Anyone who told you to be yourself couldn't have given you worse advice.