gun run 

A workout at the gym in which the person only works out their arms in order to make them look bigger; biceps, triceps, forearms

Bro, we need to get a quick gun run in and get our swell on before the club tonight!

gun run by jackshow December 7, 2011

Gun-Run 

To tense arms while running past girls

Joe did the gun-run in the hope that he might impress the girls

Gun-Run by PindersUK November 23, 2014

gun-run 

adj

it means to kill or defeat in a quickly, chaotic manner. often with over kill. used often in relation to other players online or on the internet and how you will treat them

"i'll gun-run those mother fucking sons of whore mongers" after somebody pisses you off in multiplayer
or
"I'm gonna gun-run those bitches right down to hell"
also can be used with pwn obliterate overkill etc.

gun-run by Mr. Psychic September 26, 2010

gun or run 

To have a gun and be able to use it if needed or to be unarmed and have to run and hope for the best.

When the home invaders started kicking in the door it became a gun or run scenario and the owners were glad they had invested in that Remington 870 shotgun.

gun or run by jpg3 November 8, 2011

Gun and run 

Shoot your load and leave

He must have gone for the gun and run

Gun and run by Roryuken March 11, 2011

run and gun 

The act of vomiting while also spraying diarrhea.

Launching your lunch while you paint the town brown.

My first food poisoning involved a very intense run and gun situation.

run and gun by Lârry Dângüs, esq. July 7, 2023

run-and-gun style 

A fast, freewheeling style of play or shoot in photography. Be able to react promptly, effectively, and productively when on a photo assignment and we may lack all the proper tools

"So just because you do not have an expensive flagship piece of equipment to shoot does not mean that you can't roll run-and-gun style when you have to..."

run-and-gun style by Adriano To' Agui October 2, 2015