active shooter
Definition
An individual actively engaged in killing or attempting to kill people in a populated area using a firearm, often in a mass casualty incident.
A term used in law enforcement and emergency response protocols to describe an ongoing shooting event where the perpetrator remains at large and continues to pose an immediate threat.
Examples
During the office laser tag game, Mike went full active shooter mode, tagging everyone before they could say 'team building'.
The paintball park's veteran player earned the nickname 'active shooter' for never missing a target, even in the fog.
In the zombie survival sim, players must outrun the active shooter horde while scavenging for ammo.
My cat turned into an active shooter with the laser pointer, pouncing at red dots across the living room.