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Me: Any plans tonight?
Craig: Working through the night, bed at 5am, then up for work at 7am. Overtime baby!!
Me: You fucking MGB
by Define_This_123 August 24, 2016
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2
Machine Gun Butt: When you have the horrible shits that shoot out your ass fast and violent, like machine gun fire. Usually very wet, and very loud.
Person 1: Damn bro, what the hell just went down in that bathroom? And why are you sweating like crazy?

Person 2: MGB dude... I didn't think I was gonna make it out alive.
by godfrey19 November 19, 2013
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