jerk off vs piddle

jerk off

verb
  • To do nothing; to waste time. 

  • To deceive. 

  • To masturbate, usually a male. 

noun
  • An act of masturbation. 

  • A stunt in which the performer is suddenly pulled off a horse, etc. by means of a cable. 

  • An annoying person. 

piddle

verb
  • Often followed by about or around: to act or work ineffectually and wastefully. 

  • To urinate. 

  • Synonym of nibble: to pick at or toy with one's food, to eat slowly or insubstantially. 

noun
  • A piss: an act of urination. 

  • Nonsense or a trivial matter. 

  • Piss: urine. 

How often have the words jerk off and piddle occurred in a corpus of books? (source: Google Ngram Viewer )