jerk off vs wank

jerk off

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. 

verb
  • To deceive. 

  • To masturbate, usually a male. 

  • To do nothing; to waste time. 

wank

noun
  • An act of masturbation. 

  • Drama, turmoil, or disagreement within a fannish space. 

  • An undesirable person. 

  • Nonsense, rubbish. 

  • Ridiculous, circular or inappropriately elaborate argument about something, especially if obnoxious, pretentious or unsubstantial. 

verb
  • To masturbate; to give a hand job to. 

  • To masturbate. 

  • To argue in an inappropriate manner or about pretentious or insubstantial matters; to engage in wank. 

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