An abbreviation for Automatic Electric Gun, an Airsoft gun variant. Usually equal or as powerful as a spring rifle, but have full and semi-auto capabilities. A stock AEG chrono's around 260-280 fps and varies in range for longer barrels. Companies who sell these are ICS, Classic Army, and Tokyo Marui.
"My AEG totally romped your crappy spring pistol yesterday!"
by He may be God September 25, 2003