Here are some randomly selected joke topics
Nothing
Knock knock
Who's there?
Scott
Scott who?
Scott nothing to do with you.
Varnish
How do you get rid of varnish?
Remove the 'r'.
Rain
Coincide: What you do when it starts to rain!
Traffic Lights
What did the shy traffic light say to the motorist?
Don't look now - I'm changing!
Cannibals
What did the cannibal say when he was full up?
I couldn't eat another mortal.
Newspaper
Printed in a newspaper - Hugh and Ruth went to grammar school together and their marriage will stop a romance begun between them there.
Ghost
Why wasn't the ghost successful?
Because he didn't believe in himself!
Lorry
What do you call a lorry that is full of feet?
A toe truck.
Corn
What did the baby corn say to the mama corn?
Where's Pop Corn?