gang bang vs hanky-panky

gang bang

noun
  • An orgy, especially a sexual one. 

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

  • A gang fight. 

hanky-panky

noun
  • A debaucherous act; a sexual act that is considered inappropriate. 

  • Mischievous behaviour, dishonest or shady activity. 

  • Amorous behaviour, smooching, making out, necking, sexual intercourse or other sexual activity, especially if illicit. 

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