gang bang vs love-in

gang bang

noun
  • Protecting gang turf, especially when dealing drugs or other black market objects. 

  • An orgy, especially a sexual one. 

  • A gang fight. 

love-in

noun
  • A social gathering to promote love and feelings of well-being. 

How often have the words gang bang and love-in occurred in a corpus of books? (source: Google Ngram Viewer )