boom-boom vs trephine

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. 

trephine

verb
  • To perforate with a trephine. 

  • To use a trephine during surgery. 

noun
  • A surgical instrument with a cylindrical blade used to remove a circular section of tissue, f.e. bone or cornea; a trepan. 

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