Top Definition
(adj.) The characteristic of a firearm being able to fire all rounds in its magazine with a single pull of the trigger.

Note: This characteristic is NOT indicated by the terms assault weapon or semi auto.
Fully automatic firearm types include machine guns, sub-machine guns, assault rifles, and others. Some of these may also have a semi auto mode that can be selected.

"My UZI is a fully automatic firearm, and as such was already illegal before the 1994 Assault Weapons Ban, which banned semi auto rifles."
by ed July 25, 2004

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.