MMFWKL Posted in M Best definition MMFWKL Much mother fucking wicked klown love. An acronym commonly used online among Insane Clown Posse ICP fans. “Hey, I’m Joe. (MMFWKL!)” How satisfied are you with the definition? Looking for MMFWKL meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 33 times.