JTFnC Share definition Flag Acronym for Jesus, Titty-Fucking, Christ.Pronounced J.T. Effen’ C. “She cheated on you? ...again??? JTFnC man, leave her already!!!” JTFnC by Robyn Chevy September 11, 2020 0 0 Get merch Get the JTFnC mug. Buy Now — $32.95 See more merch