Mafitch Posted in M Best definition Mafitch noun; Mother-Fucking Bitch. Also another name for fuckboy, less harsh version. That Mafitch is macking on my girl over there. He thinks he can get anyone he wants with his small town mixtape that he just dropped. How satisfied are you with the definition? Looking for Mafitch meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 22 times.