AA 

size of a battery used in portable devices such as radios, music players, flashlights...usually a 1.5V (volt)in Alkaline or a 1.2V in rechargeable. Can be used alone, or in combination with other AA batteries as decided by the device manufacturer.

zeke:get a package of AA batteries for me at the store
zack: ya want 48 from Costco or 2 from 7-11??

AA by BB April 4, 2005

AA 

Type of lava (seriously)

Er... that's nice aa... er... burning my face off

AA by Thoms February 19, 2005

AA 

african-american

AA's were once discriminated against

AA by prettyeky May 2, 2009

AA 

America's Army
First person shooter supported by the army...

A First person shooter.

Did you play AA last night man?

AA by earl babcock February 7, 2008

aa 

Alcoholics Anonymous, a place where people go to do everything but consume alcohol. Usually run by insane born-again Christians; these smoke-filled rooms in churches all over the country consume more coffee per capita than any other group known to mankind.

Person 1: Hello, I'm ____ and I'm an alcoholic.

People: Hello, ____

Person 2: It's ok, here have a cigarette and some coffee and we'll discuss how poisoning our bodies is bad.

aa by bela214 February 8, 2005

aa 

AA, in relation to TV ratings, stands for "Average Audience".

Average Audience is a statistic contained in TV ratings, particularly those from Nielsen TV ratings. It is a value meant to show the average amount of viewers for a particular show over a certain period of time, be it a month, a quarter of a year, etc.

According to Nielsen TV ratings, the AA of the show for the month of September was 0.6.

aa by cableguytk December 17, 2007

aa 

when two secretive asexual individuals come together and fake date to hide their sexual orientation from their friends and family.

Those aa's look cute together.

aa by dickfridge November 3, 2019