Here are some randomly selected joke topics
Astronauts
Why is an astronaut like an American footballer?
They both like to make safe touch-downs.
Schizophrenia
You're never alone with schizophrenia
Peanuts
There were these two peanuts walking down the street and one was assaulted.
Doctors
This man went to the doctor. He said, 'Doctor, my nose runs and my feet smell.'
The doctor said, 'You're built upside down.'
Piano
Do you play your piano by ear?
No, I play it by the open window to annoy my neighbors.
Taxidermist
Did you hear about the idiot who thought a taxidermist was someone who stuffs dead cab drivers?
Snowmen
Where do Snowmen go to dance?
To snowballs.
Change
Boy: Can you change twenty pence for me?
Father: Yeah, that's no problem.
Boy: Good. Change it to fifty pence please.
A Keyhole
He was so narrow-minded he could see through a keyhole with both eyes.