flip one's wig vs pitch a fit

flip one's wig

verb
  • To be very angry. 

  • To act in an irrational manner or appear to be temporarily insane. 

pitch a fit

verb
  • To become angry, enraged, or upset; to act or react with an outburst, as by shouting, swearing, etc. 

How often have the words flip one's wig and pitch a fit occurred in a corpus of books? (source: Google Ngram Viewer )