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Old slang, meanging gun. Came from shortening Gattling gun to just gat. Was used during the prohibition era to name any gun, but specifically the thompson submachine gun, aka The Tommy Gun.
Just get that gat out of my face, and everything will be jake.

or

Sorry guys, but no rapper or gangsta came up with the word Gat. Or chopper, for that matter. Unless you're talking about the prohibition era bootleggers type of gangster, that is.
by marlowe March 15, 2004
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2
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 01, 2004
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3
Any gun is a GAT / GATS.
I'm gunna pull out my GAT and bust the cap on u
by FooMugT July 27, 2004
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4
New Zealand slang for a homemade bong generally made from an empty bottle and a hose.
Steve: We can't blaze I don't have my bong
Lance: nah all good I've got an empty gatorade bottle we can make a gat
by Swagzeplin June 26, 2015
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5
Slang for a Fire arm. Originally developed by mafiosi in the Prohibition era to refer to their thompson submachine guns, but is now adopted to refer to any gun, and is usually used in the urban areas and in the rap community
Early 1900's - It's the heat, grab me the gat.
Today - Yo ima take ma gat and cap a sucka...
by Cashmoney May 16, 2006
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6
Slang for gun. Contrary to (apparently) popular belief, it is not a term created by modern rap stars, but has been in use since the prohibition era.
"scene kids ghetto stars come on grab your gats"

"that night at 82 the parking lot was stacked. grabbed my gat and got my hand stamped by matt."

THANK YOU HOLLYWOOD UNDEAD.<3
by x.emilyyy July 04, 2006
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7
contrary to the popular belief the the word gat comes from the prohibition era, the actuall word "gat" comes from the name of Richard Gatling. Richard gatling, in the mid1 18- late 1800's, designed the original Gatling gun, a 6-10 barreled rotary weapon that used a hand crank to turn the barrels, load a cartridge from a magazine located above the firing mechanism, and fire the gun. this weapon inspired others such as Hiram Maxim to develop the Maxim '08 with the two most common calibers be 7.92mm mauser and .303 enfield. this gun also also inspired the 7.62mm minigun and GAU-8 30mm cannon. since modern machine guns, both multi barreled and single barreled derive their origins in the gatling gun. over the years the word gat has come to mean any self loading semi auto or full auto weapon. (handgun or machine gun.
get your gat, lock and load, we're going to war.
by Fitzy7990 December 24, 2008
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