Here are some randomly selected joke topics
Aliens
What do you call a fat alien?
An extra cholesterol.
Dogs
What do young dogs like to eat when watching a movie?
Pup-corn!
Politicians
If voting could change the system, it would be illegal.
If not voting could change the system, it would be illegal.
Spaceman
What is a spaceman's favorite game?
Astronauts and crosses.
Duck
What time does a duck wake up?
At the quack of dawn.
Sherlock Holmes
Yo momma's so stupid, she thought Sherlock Holmes was a housing project.
Eggs
Why don't eggs like telling jokes?
They would crack each other up.
Rock
What do you call a rock group with Mozart, Bach, Beethoven, Handel, and Chopin?
The Decomposers.
Hot Dogs
How do you make a hot dog stand?
Take away its chair.