Area of Operations. Army-speak.
by Parnelli Joneser May 07, 2005

..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 August 22, 2005

..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 August 22, 2005

Armpit odour.
Also known as PO. Similar to BO but somebody with AO reeks very strongly of funky pits.
Also known as PO. Similar to BO but somebody with AO reeks very strongly of funky pits.
by Telephony July 25, 2020


by Minx137 November 04, 2017
