Main Entry: Machine Gunner
Function: Noun

1: One that fires a machine gun.

2: A person that tends to spray things.

3: The MOS for a machine gunner in the USMC is an 0331.

4: Somebody that uses fuck loads when only a dab is needed.

5: Anybody that does not believe in precision firing.
1: When Bob was in the military, he was a machine gunner

2: Watch out when you talk to Kathy, she's a machine gunner

3: Johnny was an 0331 in the Suck!

4: Gordie squeezed the mustard bottle so hard that he shot everybody. Carson exclaimed, "Dude you're a regular machine gunner ain't ya?"

5: Johnny comes home drunk and sprays the toilet with a huge drunk piss. Joe, looking at the urine all over the floor, exclaimed, "Holy dog shit Johnny, I knew you were an 0331 machine gunner in the Corps, but don't you think that you could have at least hit the shitter?" Johnny smiles and says, "I gave it a full belt!"
by bolillo loco December 26, 2009
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A fart or poo that makes a sound resembling that of a machine gun being fired.

*Featured on an episode of Beavis and Butthead.
I was sitting on the crapper and let out an awesome machine gunner! I think the guy in the stall next to me hit the deck!
by Sarah Lambert February 27, 2008
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An extremely loud, obnoxious, endless fart. Will generally end in crapping your pants.
"Dude, he shat his pants after letting out a machine-gunner!"

"That machine gunner could take out an army!"
by sueoprkajgdkl;a September 26, 2008
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When you cock back your penis and and thrust forward and ejaculate on a girls face.
"Dude, I was a machine gunner last night, it was so fun!!"

"Lucky!"
by Fishdick Jesus January 16, 2014
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When an otherwise slim girl has a belly that is large, square, and somewhat hard, resembling that of which you would expect a soldier butting up to a machine gun to have.
Jesus, check out that bartender's Machine-gunner Belly over there. Makes me want to puke on my dick.
by Joe Cooler August 31, 2006
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