Joke Topic - 'Kangaroos'

This man was called up before the judge. He said, 'Your honour, why do you keep leaping up and down?'
The judge said, 'Why do you think? It's a kangaroo court.'

What animal likes a leap year?
A kangaroo.

What do you get if you cross a dog with a kangaroo?
A dog that has somewhere to store its own lead.

What do you get if you cross a kangaroo with a line of people waiting to catch a bus?
A queue jumper.