PWPOSMF Share definition Flag An acronym that stands for "Pussywhipped Piece Of Shit Motherfucker". Much, much worse (O GOD SO MUCH WORSE!!!) than a POS. Example: "John is such a PWPOSMF it ain't even funny. :-(" PWPOSMF by Telephony December 14, 2010 0 0 Get merch Get the PWPOSMF mug. Buy Now — $32.95 See more merch
