O) Share definition Flag Cyborg Smilie, usually used by dumbass MMORPG n00bs n00b1: omg wtf y00 seen that guy i pwned hi5 ass and hax0rd hi5 acc0unt!!!11!!1!! noob2: o) noob3: u r teh 1337357 XD O) by ubongo May 5, 2008 0 0 Get merch Get the O) mug. Buy Now — $32.95 See more merch