noun
male fan of boys' love comics
Slang term used in fujoshi/fudanshi communities. Refers to a man who enjoys BL (boys' love) manga, typically aimed at a female audience. Often used self-deprecatingly or humorously.
See also: ボーイズラブ
彼は腐兄だから、BL漫画の話になるとすごく詳しい。
He's a fukei, so he knows a lot when it comes to BL manga.
腐兄の集まりで新刊の話をした。
We talked about new releases at the fukei gathering.