noun
woman who brings good luck to a man she's with
Slang, often used in a superstitious or casual context about a woman whose presence or sexual relationship is believed to improve a man's fortune or success. Antonym: 下げまん.
See also: 下げまん
彼は彼女と付き合い始めてから仕事がうまくいって、「アゲマンだ」と友達に言われた。
Since he started dating her, his work has been going well, and his friends told him she's a lucky charm.
あの子はアゲマンらしいよ。
I hear that girl is supposed to bring good luck to the guy she's with.
Antonym: a woman believed to bring bad luck or misfortune to the man she is with.
Compound of 上げる (ageru, 'to raise, improve') and まん (man), a slang term for a woman or female genitalia. The exact origin is uncertain, but it likely emerged in modern colloquial speech.