refusal vs slap in the face

refusal

noun
  • The act of refusing. 

  • Depth or point at which well or borehole drilling cannot continue. 

slap in the face

noun
  • Used other than figuratively or idiomatically: see slap, in, the, face. 

  • Something unexpectedly said or done which causes shock or offense; an insult, rebuke, or rebuff. 

How often have the words refusal and slap in the face occurred in a corpus of books? (source: Google Ngram Viewer )