CMFW Share definition Flag Acronym for Cut My Fucking Wrist. Commonly used in phone text, referring to something that is unpleasant or an embarrassing situation. When I found out my wife was cheating i wanted to CMFW. CMFW by Castproject September 13, 2011 0 0 Get merch Get the CMFW mug. Buy Now — $32.95 See more merch
