cool off vs pop one's cork

cool off

verb
  • To cause to decrease in temperature, activity or temper. 

  • To decrease in temperature, activity, or temper. 

pop one's cork

verb
  • To become explosively angry. 

  • To suddenly behave irrationally; to go crazy. 

  • To ejaculate. 

How often have the words cool off and pop one's cork occurred in a corpus of books? (source: Google Ngram Viewer )