hoodlum

from WordNet (r) 3.0 (2006)

hoodlum
    n 1: an aggressive and violent young criminal [syn: {hood},
         {hoodlum}, {goon}, {punk}, {thug}, {tough}, {toughie},
         {strong-armer}]

from The Collaborative International Dictionary of English v.0.48

Hoodlum \Hood"lum\, n.
   A young rowdy; a rough, lawless fellow; colloquially, called
   also {hood}. [Colloq. U.S.]
   [1913 Webster]

         Just tell your hoodlum friends outside
         You ain't got time to take no ride. --Yakety-Yak (Song)
   [PJC]

from Moby Thesaurus II by Grady Ward, 1.0

150 Moby Thesaurus words for "hoodlum":
      Mafioso, Young Turk, apache, bad boy, bandit, battler, beast,
      beldam, belligerent, belted knight, berserk, berserker, bickerer,
      blade, bomber, booger, bravo, brawler, brigand, bruiser, brute,
      buffoon, bugger, bully, bullyboy, combatant, competitor, contender,
      contestant, crook, cutup, dacoit, demon, desperado, devil,
      disputant, dragon, duelist, elf, enfant terrible, enforcer, fencer,
      feuder, fiend, fighter, fighting cock, fire-eater, firebrand,
      foilsman, funmaker, fury, gamecock, gangster, gladiator, goon,
      gorilla, gun, gunsel, hardnose, hatchet man, hell-raiser, hellcat,
      hellhound, hellion, hit man, holy terror, hood, hooligan, hothead,
      hotspur, imp, incendiary, joker, jokester, jouster, killer, knave,
      knight, little devil, little monkey, little rascal, mad dog,
      madcap, militant, minx, mischief, mischief-maker, mobsman, mobster,
      monster, mug, mugger, muscle man, pixie, plug-ugly,
      practical joker, prankster, puck, quarreler, racketeer, rapist,
      rapscallion, rascal, revolutionary, rioter, rival, rodman, rogue,
      rough, roughneck, rowdy, ruffian, sabreur, savage, scamp,
      scapegrace, scrapper, scuffler, she-wolf, spitfire, squabbler,
      strong arm, strong-arm man, strong-armer, struggler, swashbuckler,
      sword, swordplayer, swordsman, termagant, terror, terrorist, thug,
      tiger, tigress, tilter, torpedo, tough, tough guy, trigger man,
      tussler, ugly customer, violent, virago, vixen, wag, wild beast,
      witch, wolf, wrangler