my foot vs pah

my foot

intj
  • Indicates disapproval, disregard, disdain, disgust or disbelief. 

  • Used other than figuratively or idiomatically: see my, foot. 

pah

intj
  • Used to express distaste, disgust or outrage. 

How often have the words my foot and pah occurred in a corpus of books? (source: Google Ngram Viewer )