Q) What should you do if an Aussie throws a grenade at you ?
A) Pull the pin and throw it back.
Q) Did you hear about the Aussie who had a brain transplant ?
A) The brain rejected him a week later.
Q) What's the difference between yoghurt and Australians ?
A) At least yoghurt starts with a little culture.
Q) What do you call a field full of Australians ?
A) A vacant lot.
Q) What's the difference between Aussies and pigs ?
A) Pigs don't turn into Aussies when they drink.