my foot vs tsk

my foot

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

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

tsk

intj
  • An exclamation of disapproval, disappointment or discontent. 

verb
  • To make a tsk sound of disapproval. 

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