(n.) One who roams, or hides, among the bushes; especially, in Australia, an escaped criminal living in the bush.

Mafioso Young Turk aggressor assailant assailer assaulter attacker bank robber beast beldam berserk berserker bomber bookworm bruiser brute bushranger demon devil dragon failing student fiend fire-eater firebrand footpad fury goon gorilla greasy grind grind gun gunsel hardnose hatchet man hell-raiser hellcat hellhound hellion highway robber highwayman hijacker holdup man holy terror hood hoodlum hooligan hothead hotspur incendiary invader killer mad dog madcap monster mug muscle man overachiever plug-ugly raider rapist revolutionary road agent robber rodman roughneck sandbagger savage she-wolf spitfire stickup man strong-arm man swotter termagant terror terrorist tiger tigress torpedo tough tough guy train robber trigger man ugly customer underachiever violent virago vixen wild beast witch wolf