To get your "Ass handed to you" (Ass kicked) by a noob. This could be in gaming or the real world.
This will also result in you becoming a total noob if it happens enough times.
Guy: "You just got noobliterated!"
Guy2: "I know, I think I'm becoming a noob myself."
verb. 1) To get pwned by a noob. 2) For an experienced player to get beaten and utterly humiliated by someone who doesn't know how to play the game and wins by luck.
That noob headshotted you and he doesn't evenknow what he's doing, you got noobilized.