Ciaomigo Share definition Flag A term for farewell reserved for close friends and loved ones. "So Long, Friend" My son, late for his date, jumped up from the dinner table, shouting, "Ciaomigo" as he ran out the door. Ciaomigo by Anthony Mirabito April 28, 2008 0 0 Get merch Get the Ciaomigo mug. Buy Now — $32.95 See more merch