J.T.F. Share definition Flag Jesus Titty Fuck. The wondrous appearing of a crucifix hanging into the ironically exposed cleavage of a good Christian girl. "Wow...the Lord is giving her a real good J.T.F. today!" J.T.F. by JD2007 December 24, 2008 0 0 Get merch Get the J.T.F. mug. Buy Now — $32.95 See more merch