Top Definition
AO
Area of Operations. Army-speak.
When the General showed up at the barracks it was time to unass the AO.
by Parnelli Joneser May 07, 2005

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AO
..is short for ‘Adults Only’ (most extreme videogame rating in the U.S.). See also the other vg ratings: EC(Early Childhood), K-A(Kids to Adults; was replaced by 'E' in 1996), E(Everyone), E10+(Everyone ten years of age or older), T(Teen), M(Mature Audience), AO(Adults Only), and ESRB.
GTA:SA(Grand Theft Auto: San Andreas) is no longer rated 'M', but instead 'AO', and subsequesntly is no longer on the shelves, barely in stock at all.
by Victor Van Styn July 26, 2005

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AO
..is short for ‘Adults Only’ (most extreme videogame rating in the States). See also: EC, K-A, E, E10+, T, M, AO, and ESRB.
GTA:SA is no longer rated 'M', but instead 'AO', and subsequesntly is no longer on the shelves, barely in stock at all.
by Victor Van Styn July 26, 2005

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A-O
Often used in celebratory fashion.
Ex1. "Hey its-a-me"
"A-O!!!!!"

Ex2. "Yo dis chick said she would totally give you head"
"AAAAA-OOOOOO!!!!!!!!!!"

by hasselhoffman February 27, 2009

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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.
by Macguire1 August 22, 2008

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ao
MMORPG Anarchy Online
by stevo July 03, 2003

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AO
initials of philly playground soon-to-be legend Aaron Owens. Plays for AND1's Mixtape Tour.
"AO aint scared of nobody in no hood" and he'll bust all who come at him.
by LilBibby2342 August 27, 2005

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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