Definitions by Soul.

AA-12 

Probably one of the best shotgun in the world, But the worst gun in the video game "Call of Duty: Modern Warfare 2".

Kid playing MW2: UUUUGHH!!! THIS F*CKFACE IS SPRAYING WITH THE AA-12 WITH HEARTBEAT SENSOR!!!!!!!!!!

AA-12 by Soul. August 17, 2010