did one's own thing

Verb

do one's own thing (third-person singular simple present does one's own thing, present participle doing one's own thing, simple past did one's own thing, past participle done one's own thing)

1. (dated, idiomatic, informal, possibly) To do what one considers to be best suited or most satisfying for oneself; to do what expresses one's distinctive interests or talents; to do as one chooses.
   • The psychological patter of the '70s is as inescapable as Muzak and just as numbing: Are you relating? Going through heavy changes? In touch with yourself and doing your own thing?1977 October 3, “Behavior: Psychobabble”, in Time, retrieved 08 Dec 2019

   Synonyms:

   suit oneself