#masturbation__onanism__self-abuse  manual stimulation of the genital organs (of yourself or another) for sexual pleasure
  supertype:  autoeroticism__autoerotism  using you own body as a sexual object
  subtype:  frottage  masturbation by rubbing against another person (as in a crowd)
  subtype:  jacking_off__jackingoff__jerking_off__jerkingoff__hand_job__wank  slang terms for masturbation

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