koon Share definition Flag Means ASS in Persian. Widely being used. BORO KOONETO BESHOOR! Go wash your ASS you dingdong! KOONESH GOHI BOOD! He was a SHIT-ASS! koon by steel alone November 16, 2006 0 0 Get merch Get the koon mug. Buy Now — $32.95 See more merch