OMSBJ Share definition Flag Short Type for "Oh my Sweet Baby Jesus" for those sex deprived melodramatic bible thumper's who refuse to say FUCK. Bible Thumper: "OMSBJ, guess what Ann did!"Jen: "Fuck off Bible Thumper!" OMSBJ by KPHOTO88 December 16, 2011 0 0 Get merch Get the OMSBJ mug. Buy Now — $32.95 See more merch