deep six vs egestion

deep six

noun
  • Ejection, discardment or destruction. 

  • The grave or death; also, the (notional) place where something is discarded. 

verb
  • To discard, get rid of, or cancel; to completely put an end to something. 

egestion

noun
  • The act or result of egesting 

How often have the words deep six and egestion occurred in a corpus of books? (source: Google Ngram Viewer )