boff vs boom-boom

boff

verb
  • to have sexual intercourse (with someone) 

  • To hit; to strike. 

noun
  • A great success; a hit. 

  • A pupil who works hard; a swot. 

  • A line in a film etc that elicits such a laugh. 

  • A big laugh. 

  • A hit or smack. 

boom-boom

verb
  • To have sexual intercourse. 

  • To make a loud, low-pitched sound. 

  • To strike or beat. 

noun
  • A strike; an act of beating. 

  • Excrement. 

  • Sexual intercourse. 

  • Loud, resonant sound; a repeated loud sound. 

adj
  • Resonant; producing a booming sound. 

intj
  • Used to draw attention to a pun or weak joke. 

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