jerk off vs linger

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. 

linger

verb
  • To stay or remain in a place or situation, especially as if unwilling to depart or not easily able to do so. 

  • To remain alive or existent although still proceeding toward death or extinction; to die gradually. 

  • To consider or contemplate for a period of time; to engage in analytic thinking or discussion. 

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