boiling point vs conniption fit

boiling point

noun
  • The state of being heated, with high aggression. 

  • The temperature at which a liquid boils, with the vapor pressure equal to the given external pressure. 

conniption fit

noun
  • Anger or panic expressed verbally loudly and with overt bodily gestures. 

How often have the words boiling point and conniption fit occurred in a corpus of books? (source: Google Ngram Viewer )