juvenile delinquent

plural juvenile delinquents

1. lawA persistent young offender; an antisocial minor, one who has committed criminal acts such as theft or violence.

   1 more example

   This cow-creamer, in case you're interested, was a silver jug or pitcher or whatever you call it shaped, of all silly things, like a cow with an arching tail and a juvenile-delinquent expression on its face, a cow that looked as if it were planning, next time it was milked, to haul off and let the milkmaid have it in the lower ribs.

   1960, P. G. Wodehouse, Jeeves in the Offing, chapter VII

   Synonyms: juvenile offender, juvey