mwtf

A simple acronym for:

Man, Whut the Fuck?

Most commonly used online.

Friend 1: I heard your girl was cheating on you last nite!
Friend 2: MWTF!?

by Mystik V July 29, 2008

MWTF

Putting an M in front of any cuss abbreviations implies it's the Mormon version and not a real cuss where in this case F means fudge

@apple MWTF did you do to my gun emoji with the last update?!

by BlueMormongirl April 6, 2017