1 definition by the other guy is wrong
A term created by the Aviation Ordinance of the United States Military
ACRYONYM: If you ain't Aviation Ordinance, You ain't Shit
ACRYONYM: If you ain't Aviation Ordinance, You ain't Shit
The AO drove by in his yellow Mistubishi Eclipse with IYAOYAS in big bold letters on his rear windshield.
by the other guy is wrong July 7, 2004