Here are some randomly selected joke topics
Kangaroos
What do you get if you cross a kangaroo with a line of people waiting to catch a bus?
A queue jumper.
Astronauts
Why is an astronaut like an American footballer?
They both like to make safe touch-downs.
Train
What do you call a train loaded with toffee?
A chew chew train.
Cats
Why is your cat so small?
He only drinks condensed milk.
Trains
Have you visited the new website about trains?
It's just the ticket.
Hotels
Hotel Guest: 'Can you give me a room and a bath, please?'
Receptionist: 'I can give you a room, but you'll have to take your own bath.'
Cheese
When cheese gets its picture taken, what does it say?
Mouse
What do you get if you cross a mouse with an oil can?
A squeak that oils itself.
Front Door
What do you call a man who sits at your front door?
Matt.