gang bang vs saturnalia

gang bang

noun
  • An orgy, especially a sexual one. 

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

  • A gang fight. 

saturnalia

noun
  • A period or occasion of general license, in which the passions or vices have riotous indulgence; a period of unrestrained revelry. 

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