also: ぎりまん
obligation sex
Slang term for sexual intercourse that a woman engages in out of a sense of duty or obligation rather than personal desire. Often used in discussions of relationship dynamics.
She only went along with it out of obligation sex.
Obligation sex isn't real affection, you know.
Standard slang spelling using katakana マン.
Variant with hiragana まん; less common but seen in informal writing.
Compound of 義理 (giri, 'obligation') and マン (man), a slang abbreviation of マンコ (manko, 'vagina'). The term likely emerged in informal, often male-oriented discourse to describe sex motivated by duty rather than desire.