A word used to mock noobs or other 12 year old idiots who suck at online pc games and accuse other players of cheating. usually used in all caps in conjunction with omg. originates from #a on gamesnet irc.
* Billy killed ^GoKu69^ with AWP
^GoKu69^: omg u got aimbot hax wtf!!1
Billy: OMG WALFAX