To shoot someone with a "gat", or in other words, a firearm. Simple as that.

It is derived from the noun "gat" and somehow converted to an action verb, so that whoever says it still sounds gangsta.
Dat bitch was talkin' shit so I decided to gat his punk ass.

When da popo caught me ridin' dirty, I thought, "Fuck it, since I'm going to jail anyway I might as well try to gat dem foos da best I can".
by www.afterthought.cjb.cc July 18, 2006
To shoot someone with a "gat", or in other words, a firearm. Simple as that.

It is derived from the noun "gat" and somehow converted to an action verb, so that whoever says it still sounds gangsta.
Dat bitch was talkin' shit so I decided to gat his punk ass.

When da popo caught me ridin' dirty, I thought, "Fuck it, since I'm going to jail anyway I might as well try to gat dem foos da best I can".
by *Ace Of Spades* July 18, 2006
Slang word used for drinking or underage drinking in Tralee
are u going gatting bah?

do you ever go gatting?

wanna go gatting saturday?
by martin o shea September 3, 2007
verb.
Irish word meaning drinking an alcoholic beverage! It is the general pastime of most teenagers in ireland!lol
gat=alcoholic drink
1st person: "Come gatting tonight by willa?"
2nd person: "Aright so by."
by xxkrissxx September 7, 2007
A firearm, usually a pistol or open-bolt submachinegun, used for busting "caps" into someone/something's
"punk ass."
"That hater talked mad trash about me, so I pulled out my gat and busted a few hollow tips up in his fat ass"
by Nima April 1, 2004
1. Someone tough who shoots people or beats people up.

2. An athlete that's really good at their job.
1. You know the bol Leem? He a gat I heard he a stepper
Lil Shaheim a gat he punch on shit

2. Kyler Murray a gat he really be snapping wit this football shit
Allen Iverson was a gat stop playin wit Bubba Chuck
by From Da P January 9, 2022
A mixture between Gay and Fat
That shane lad is Gat
by Nannybasher690 May 14, 2021