fap vs masturbate

fap

verb
  • To masturbate. 

intj
  • To indicate that someone (normally the speaker) is either masturbating, or inspired to by sexual arousal. 

  • Pornography. 

noun
  • A session of masturbation. 

masturbate

verb
  • To stimulate someone else sexually without penetration of the penis. 

  • To stimulate or please oneself by means of anything, not necessarily sexual, that does not get them anywhere; something that wastes their time; something that does not help others or achieve any important goal. 

  • To stimulate oneself sexually, especially by use of one’s hand or a sex toy made for this purpose, often to the point of ejaculation or orgasm. 

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