K2 Koma Share definition Flag A state of deep, often prolonged unconsciousness, resulting from the smoking of mass amounts of K2. Friend 1: "Hey I think Jimmy is dead!!"Friend 2: "Nah man relax, he is just in a K2 Koma. Jim will be fine..." K2 Koma by SuperDank November 13, 2011 0 0 Get merch Get the K2 Koma mug. Buy Now — $32.95 See more merch