180 vs backflip

180

noun
  • An instance of spinning 180 degrees, so that one is facing in the opposite direction. 

  • The friendly welcome was a 180 from what she had been expecting 

  • The exact opposite. 

  • A complete change of direction or opinion. 

backflip

noun
  • An act of rotating one's body 360 degrees in the backward direction. 

  • a total reversal in policy or opinion; a volte-face, a U-turn. 

verb
  • To perform a backflip (rotation of body). 

  • To completely reverse a policy or opinion; perform a U-turn. 

How often have the words 180 and backflip occurred in a corpus of books? (source: Google Ngram Viewer )