Top definition
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
Get the mug
Get a AO mug for your mate Sarah.
2
..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
Get the mug
Get a AO mug for your cat Günter.
buy the domain for your foodie blog
3
..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
Get the mug
Get a AO mug for your sister Riley.
5
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
Get the mug
Get a A-O mug for your sister Riley.
6
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
Get the mug
Get a AO mug for your dad Bob.