Here are some randomly selected joke topics
Elephant
Why wasn't the elephant allowed on the plane?
Because his trunk wouldn't fit under the seat in front of him.
Read
I wrote this slowly 'cos I know you can't read very fast
Dogs
Which type of dog can tell the time?
A watchdog.
Banana
Why did the banana visit the doctor?
It wasn't peeling well.
Cows
Q: What do you call a cow that's just had a baby?
A: Decalfinated
Butter
Knock, knock.
Who's there?
Butter.
Butter who?
Butter wrap up well - it's cold out here.
Politicians
Don't vote - it only encourages them.
Walk
What do you call a man who walks through the autumn leaves?
Russell.
Onion
Janet: I call my new boyfriend onion.
Jane: Why?
Janet: Sometimes he makes me want to cry.