self-abuse

noun
🔊/ˌself əˈbjuːs/
🔊/ˌself əˈbjuːs/
[uncountable]
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  1. behaviour by which a person does harm to himself or herself自我伤害;自残;自虐
  2. (old-fashioned) masturbation (= the act of giving yourself sexual pleasure by rubbing your sexual organs)