larrikinism

noun2

1. •
   (Australia, New-Zealand) The behaviour of larrikins (hooligans); impertinent and disrespectful behaviour.

   • Good quality homes promised deliverance from the problems of illegitimacy, divorce, larrikinism, wife-desertion, general immorality and crime. — 1978
2. •
   (Australia) Behaviour that is rebellious against and contemptuous of authority and convention.

   • Neither Menzies nor Fraser made any attempt to wield the imagery of the legend, and Gorton's larrikinism made him unfit to hold high office in the eyes of Liberal Party powerbrokers. — 2003