Here are some randomly selected joke topics
Cars
We were all in a car and it wouldn't start, so I told everyone to be quiet,
and then it started right up! Why??
Cause it goes without saying...
A Shave
What does Luke Skywalker use when he wants a shave?
A laser blade.
Elephants
Why are elephants so wrinkled?
Have you ever tried ironing one?
Fat
Yo momma so fat she can sit on a dollar and make change.
Frogs
What do you call a girl with a frog in her hair?
Lily.
Builders
Did you hear about the fence builder who got fired for deserting his posts?
Robbery
Did you hear about the music store that was robbed last night?
The thieves made off with the lute.
Mosquito
What do you get if you cross a mosquito and a knight of the round table?
A bite in shining armour.
Criticism
Every young man should learn to take criticism. One day he'll probably be a parent.