J.T.F.C. Share definition Flag Abbreviation For When Someone Fucks Up So Bad Theres No Words For It. Abbreviation Stands For Jesus Tity Fucking Christ. When Your Fire Chief Trys To Intubate A Manikan And would Have Killed The Patient J.T.F.C. J.T.F.C. by Rather Not Say September 24, 2008 0 0 Get merch Get the J.T.F.C. mug. Buy Now — $32.95 See more merch