law unto oneself n. phr.,
literary A person who does only what he wishes; a person who ignores or breaks the law when he doesn't like it.
Everybody in Germany feared Hitler because he was a law unto himself. Mr. Brown told Johnny that he must stop trying to be a law unto himself. Compare: TAKE THE LAW INTO ONE'S OWN HANDS.
[TahlilGaran] English Idioms Dictionary ▲