Nah Jank Share definition Flag A word used to kill off a text conversation with an annoying boyfriend or girlfriend BF or GF: "what time you coming home"Me: "Nah Jank"Also works verbally as well as textual Nah Jank by Johnny Queue March 17, 2017 0 0 Get merch Get the Nah Jank mug. Buy Now — $32.95 See more merch