Larrikin /(?)/

Lar·ri·kin

Larrikin

n.
  1. A rowdy street loafer; a rowdyish or noisy ill-bred fellow; a hoodlum; -- variously applied, as to a street blackguard, a street Arab, a youth given to horse-play, etc. [Australia & Eng.]
    Mobs of unruly larrikins.