Stands for one of the following forms of motherfucker: motherfucker, motherfucking, motherfuck. The form that is used depends on the context of the situation.
by TurnM3Up December 11, 2019
That MF Ugly!
by StraightGirl6060 September 5, 2018
by Falken January 17, 2003
by Margaret<3 January 27, 2009
by MadFishMF November 5, 2020