jerk off vs stand by

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. 

stand by

verb
  • To do nothing. To be inactive in a situation. 

  • To wait in expectation of some event; to be ready. 

  • To support; to continue to support despite things being bad. 

  • To remain loyal or faithful to. 

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