Flaco Femboy Share definition Flag A Flaco Femboy is a man who is slightly feminine/ has low testosterone who is notably skinny and/or lanky. He also has tendencies of submissiveness. Zach: Man Noah sure is a Flaco Femboy!! Ben: oh ABSOLUTELY!!! Flaco Femboy by The420microwave February 14, 2026 Get the Flaco Femboy mug.