arty-farty vs rare bird

arty-farty

noun
  • Someone who is arty-farty. 

adj
  • Pretentiously artistic; self-important or self-indulgent, especially when describing an artistic project. 

rare bird

noun
  • An unusual or exceptional person or thing. 

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

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