FMTT Share definition Flag short hand slang for "Fuck me to tears". Often used as an alternative to LOL, LAWL, ROTFLMAO FMTT is interchangable with LOL, ROTFLMAO, LAWL, etc. FMTT by Maniacles September 4, 2006 0 0 Get merch Get the FMTT mug. Buy Now — $32.95 See more merch
