see a man about a horse vs shart

see a man about a horse

verb
  • Used in place of a real explanation when excusing oneself for a short period of time, particularly to use a toilet. 

shart

verb
  • To unintentionally defecate due to relaxing the anus to flatulate. 

noun
  • An instance of sharting. 

  • The resulting excrement from sharting. 

How often have the words see a man about a horse and shart occurred in a corpus of books? (source: Google Ngram Viewer )