Muzzle fuck Posted in M Best definition Muzzle fuck (an FPS) term for rapid fire shooting of someone at point blank range with a rifle without aiming. that guy with the Barrett 50. didn’t even aim at me he just ran up on me and muzzle fucked me. How satisfied are you with the definition? Looking for Muzzle fuck meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 107 times.