When you ram any large object (other then a dildo) into a girl's anus and vagina while dragging them into a swimming pool (or tree), then throw them into a library.
This term is believed by American's to be a common phrase in Australia. This was originally due to an Australian tourism advertisement starring Paul Hogan that was aired in America from 1984 - 1990.
Barbie is a slang term in Australia for barbeque, alternatively known around the world as a barbecue or BBQ.
Although shrimp are known as prawns in Australia, the wording of the advertisement was designed to minimise confusion in American audiences.
In the 2005 American film "Dukes Of Hazzard", Bo Duke spouts "chuck another shrimp on the barbie" (a common misquote of slip another shrimp on the barbie) in a poor Australian accent when introduced to an Australian university student in Atlanta.
An “Australian” saying thought by other countries to be commonly used. Problems with this is thatAustralians call them prawns, and they don’t even cook prawns on a barbecue.
A name found in the film 'The Hills Have Eyes 2'. Shitman the Barbarian is a man who comes out of a toilet covered in shit. He has small wounds all over his body so that he can die slowly from the feces.