FTFSSFM! Share definition Flag Texting/Social Networking acronym meaning Fuck this fucking shit so fucking much. What?! You've got to be kidding me. I am not doing this over again. FTFSSFM! FTFSSFM! by DeeDogg January 11, 2010 0 0 Get merch Get the FTFSSFM! mug. Buy Now — $32.95 See more merch