Originally Posted by Del Boy

Aussie Nick - I was not referring to the expression, only the use of the word 'dunny' in it. This is the slang bit I thought was Aussie, as we have never used the word here, traditionally. I was just making the point that I have only heard it used in Aussie references.

That's why i thought the expression we are searching for related to Sydney rather than London. The answer will reveal all!