1. a boisterous, often badly behaved young man: "James was something of a larrikin"
▪ a person with apparent disregard for convention; a maverick:"the larrikin trade union leader"
Word Originmid 19th century: from English dialect, perhaps from the given name Larry (pet form of Lawrence) + -kin, or from a pronunciation of larking.
Larrikin is an Australian English term meaning "a mischievous young person, an uncultivated, rowdy but good-hearted person", or "a person who acts with apparent disregard for social or political conventions". Wikipedia