gamberro

adj. hooligan, ruffian

n. hooligan, thug; hellion, troublemaker; hobbledehoy, clumsy or awkward boy

= vandal, thug, hooligan, yob, yobbo, lout, tearaway, lager lout, rowdy, laddish.
Ex: Some Internet users have found their daily electronic mail swamped with large numbers of unwanted messages (spamming) caused by a type of computer vandal (hacker) called a mail bomber who places its victims on a large number of mailing lists.
Ex: Poole was a notorious gang leader & street thug, murdered by enemies of similar background.
Ex: The media have regularly stoked public feelings of shame by affirming that English football fans are synonymous with hooliganism, overlooking the fact that not all fans are 'hooligans'.
Ex: Some politicians firmly believe that parents are to blame for yobs on our streets.
Ex: It is not just yobbos and louts that are guilty of antisocial behaviour.
Ex: It is not just yobbos and louts that are guilty of antisocial behaviour.
Ex: He acused politicians of 'losing the plot' on crime as the 'thriving yob culture' of hooligans and tearaways terrorise the streets.
Ex: It is routine for people to complain about the 'hordes of lager louts' who turn city centres into 'no-go areas'.
Ex: He was assaulted by a gang of white rowdies who beat him over the head with pistols bruising him severely and laming him.
Ex: In Britain such attitudes are referred to as 'laddish' and the holders of such views as 'laddettes' or 'yobettes'.