As per usual, that’s British slang which was carried over to Australia. Almost all slang phrases Americans associate with Australia are British in origin and still in wide use, as you’d expect given the history of both countries.
It's also commonly used in the US. I've never heard it of it being associated with the commonwealth at all - based on the vulgarity I always assumed it was a native production.
It's also commonly used in the US. I've never heard it of it being associated with the commonwealth at all - based on the vulgarity I always assumed it was a native production.