backonine Share definition Flag A word frequently used by idiots in the NOC to inform clients that their server is up and running. After M. Ali finished his nightly workout of humping Chung, he informed the client that his server "no come back onine and needs inveatigaton" backonine by GT slam March 2, 2004 0 0 Get merch Get the backonine mug. Buy Now — $32.95 See more merch