shart vs take a leak

shart

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

noun
  • An instance of sharting. 

  • The resulting excrement from sharting. 

take a leak

verb
  • To urinate. 

How often have the words shart and take a leak occurred in a corpus of books? (source: Google Ngram Viewer )