Larrikinism - a legit cultural movement. According to wikipedia of course.* But I reckon TISM may have written their own entry. Call me crazy.
* Yes, I do realise my information sources are limited to SMH and one or two blogs, that must make me one of the blinkered and un-informed masses, right? And this one was care of null device too.. not even doing by own research. Crap isn't it.