noun
self-torture; masochism; self-inflicted harm
Refers to physically or psychologically harming oneself, or to a masochistic tendency. Often used in the phrase 自虐ネタ for self-deprecating jokes.
彼は自虐的なジョークをよく言う。
He often makes self-deprecating jokes.
自虐行為は健康を害する。
Self-harming behavior damages your health.