A sex act where you have a threesome with an ATF agent's mother and wife, preferably rapidly and without a condom.
Did you hear the ATF raided Jim after he bragged about how he did a machine gun?
by Peg Your Dad for Christ March 24, 2022
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When someone calls the front right seat of a car, they shout out shotgun! But this one is for machine gun seat out on the back of the pickup truck. Ya know ww2, willys jeep.
Shotgun!

Fine! Machine gun! keep your lousy shotgun seat! Bad ass number one in the backseat! Weehaa!
by One cable guy March 29, 2017
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What little kids and ignorant people would call a "automatic shot gun".
Person 1
" They should make a Machine gun shot gun, it would be so OP."

Person 2
"Are you retarded!"
by Peter Pan1217 January 29, 2018
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Someone who swears so much that they sound like a machine gun
She is swearing so much, she sounds like a cussing machine gun
by Tallo April 14, 2020
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A Medium Machine Gun is a type of machine gun characterized by firing full power rifle rounds(such as 7.62x51 mm NATO) and being usually belt-fed.
While they are light enough to be carried by one man they are usually crew served due to weight of the ammunition.
They can be used by infantry, vehicles and aircraft.
Here are some examples of MMG:M240, MG3 and MG42, FN MAG, M60, PKM.
The Army just ordered 50000 new medium machine gun to replenish their losses.
by Therealmerasmus August 8, 2023
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when your playing video games and you accidentally shoot your teammate and feel bad about it. sometimes feeling so bad that you spend the rest of the macth trying to make up for it.
person one "you shot me bro where on the same team man what the hell"

person two " sorry didn't mean to"

person one "you did that on purpose didn't you"

person two "no i didn't believe me i've got the machine gun blues right now"
by person_three May 9, 2014
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