Urban Dictionary: A.O.

1.	A.O.
	Stands for Accidental Ownage. When someone shows off and fails, or something like that. Dude, this guy was trying to do a handstand on a rail and he flipped over. Whoa, that's total A.O. buy a.o. mugs & shirts accidental acidental lol woot w00t funny ha ha ha just for laugh stands ownage ... . when someone shows off and fails or something like that .s gags hilarious runescape ruenscape roonscape roomscape dude this guy was trying to do a handstand on rail he flipped over. by Macguire1 Aug 22, 2008 add a video