Gunny 

Short for Gunnery Sergeant of The United States Marine Corps.

I am Gunnery Sergeant Hartman your senior drill instructor.

Gunny by discharge October 25, 2004

Gunny 

The former Marine "God Father"of a Nashville based mafia like organization although criminal centered is based on community service truth and honorable living.

The Gunny and his family members have turned their drug profits to paying people's rent.

Gunny by Strange luck June 18, 2018

gunny 

A nickname for a senior ranking non-commissioned officer in the United States Marine Corps with the pay-grade of E7 and the rank of Gunnery Sergeant. This nickname's usage, often used as a term of respect, is determined by the GSgt.

LCorporal: Hey, gunny?
GSgt: Yeah?
LCorporal: Pyle took a **** in the M998. AGAIN!
GSgt: Picks up Kabar knife

gunny by Macd00d January 10, 2006

Gunny 

Short name for Gunnery Sergeant. A Gunnery Sergeant is one rank higher than Staff Sergeant and better at everything a Staff Sergeant could do.

Gunny Tom Highway (of "Heartbreak Ridge"): "This is the AK-47 assault rifle, the preferred weapon of your enemy."
S-4 SSgt : "Oh, I didn't know that."

Gunny by JayJayEm August 7, 2006

Gunny 

Gunnery Sergeant in the Marine Corps. Usually the boss of the Marines that are associated with him/her.

Gunny Hipe is gonna chew my ass for being late!

Gunny by Jerrelle January 15, 2008

Gunny 

A top bloke admired by all

That Gunny is a great guy

Gunny by Scottish male May 6, 2008

Gunny 

A word to describe something that’s really cool to look at. Originally meant to describe the feeling after seeing a unique view after smoking marijuana.

Person 1: Woah, do you see the pyramid in the jungle? With the clear night sky, you can also see outer space. Oh look a shooting star! And it’s blue!

Person 2: Okay. That’s really gunny.

Gunny by the old boone of randall June 4, 2019