rowdy
     adj : disturbing the public peace; loud and rough; "a raucous
           party"; "rowdy teenagers" [syn: {raucous}]
     n : a cruel and brutal fellow [syn: {bully}, {tough}, {hooligan},
          {ruffian}, {roughneck}, {yob}, {yobo}, {yobbo}]
     [also: {rowdiest}, {rowdier}]
Source: WordNet® 2.0