hippie vs rare bird

hippie

noun
  • Someone who dresses in a hippie style. 

  • One who is hip. 

  • A person who keeps an unkempt or sloppy appearance and has unusually long hair (for males), and is thus often stereotyped as a deadbeat. 

  • A teenager who imitated the beatniks. 

  • One who chooses not to conform to prevailing social norms: especially one who subscribes to values or actions such as acceptance or self-practice of recreational drug use, liberal or radical sexual mores, advocacy of communal living, strong pacifism or anti-war sentiment, etc. 

adj
  • Of or pertaining to hippies. 

  • Not conforming to generally accepted standards. 

rare bird

noun
  • An unusual or exceptional person or thing. 

  • Used other than figuratively or idiomatically: see rare, bird. 

How often have the words hippie and rare bird occurred in a corpus of books? (source: Google Ngram Viewer )