bibidees vs pee-pee

bibidees

noun
  • Men's or boys' briefs. 

pee-pee

noun
  • The penis or vulva; genitalia. 

  • Urine. 

verb
  • To urinate. 

How often have the words bibidees and pee-pee occurred in a corpus of books? (source: Google Ngram Viewer )