cunt fart vs vaginal flatulence

cunt fart

noun
  • An emission of air from the vagina, especially when audible. 

  • A very annoying or objectionable person. 

vaginal flatulence

noun
  • An emission or expulsion of air from the vagina. 

How often have the words cunt fart and vaginal flatulence occurred in a corpus of books? (source: Google Ngram Viewer )