Definition

Short for Gunnery Sergeant in the Marine Corps, typically the senior enlisted advisor to a company commander. The person who actually runs things while officers figure out what they want.

Example Usage

Ask Gunny—he's been here since the base was built and knows everything.

Origin

Abbreviated from 'Gunnery Sergeant,' a rank dating to early U.S. Marine Corps history

Fun Fact

R. Lee Ermey's portrayal of Gunny Hartman in 'Full Metal Jacket' has permanently shaped how the world views this rank, much to actual gunnies' mixed feelings.

Source: U.S. Marine Corps rank structure

Related Terms

Beginner

voluntold

Being assigned to a task under the guise of volunteering, when refusal isn't actually an option. Democracy in action, military-style.

🎖️ Military / Defense
Advanced

cadres

The skeleton crew of leaders and specialists who form the core of an organization, ready to bulk up into a full unit when needed. In military contexts, it's the officers and key personnel around whom a new regiment gets built; in revolutionary contexts, it's your dedicated true believers. Basically, it's your starting lineup of people who actually know what they're doing.

🎖️ Military / Defense
Advanced

redout

A medical condition where negative G-forces cause blood to rush to the head, making everything appear red and potentially causing unconsciousness. It's significantly less fun than it sounds and tends to happen when pulling up from dives too aggressively.

🎖️ Military / Defense
Intermediate

permissive environment

An operational area where host nation forces have control and there is minimal threat to friendly forces. Essentially a military vacation destination, if such a thing existed.

🎖️ Military / Defense
Beginner

debriefing

The post-mission interrogation session where military personnel, project teams, or research subjects get to relive their experiences while someone with a clipboard takes notes. It's part therapy, part intelligence gathering, and part CYA documentation. In corporate settings, it's the meeting after the meeting where everyone admits what actually went wrong.

🎖️ Military / Defense
Intermediate

rock drill

A tactical rehearsal where leaders use rocks, sticks, and dirt to create a miniature terrain model and walk through the mission plan, because PowerPoint doesn't work well in a combat zone. It's military planning meets sandbox playtime.

🎖️ Military / Defense

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