a young man dissatisfied with and outspoken against existing social and political structures:he looked too intense, a tad too much the angry young man
(Angry Young Men) a number of British playwrights and novelists of the early 1950s whose work was marked by irreverence towards the Establishment and disgust at the survival of class distinctions and privilege. Notable members of the group were John Osborne and Kingsley Amis.
angry young man in other Oxford dictionaries
Definition of angry young man in the US English dictionary