take a piss vs wee

take a piss

wee

noun
  • A short time or short distance. 

  • Urine. 

  • An act of urination. 

verb
  • To urinate. 

adj
  • Small, little. 

  • You looked a little cold, so I lit a wee fire. 

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