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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.
mgb by godfrey19 November 19, 2013
Related Words
“My good brother” mostly used in text form to indicate respect and reason when making your point in a (heated) debate of any kind.
Now I’ll tell you this mgb, the party was great but the drinksehhhhh
MGB by SensitiveFaceWash September 29, 2022
ME: you see that dude over there he's a real MGB
MGB by anonymous October 29, 2025
Friend: Hey, I bought a Toyota Prius!!
Me: MGBU
MGBU by mgbu March 10, 2010

Mgboto Owerri 

A girl /woman from Owerri, Imo state. Takes pride in representing owerri, culture and everything good about the city in Imo state. Associated with pride in educating and showing people how endowed Owerri is.
Girl: you are such a local girl!
Girl 2: Of course! I am Mgboto Owerri !
Mgboto Owerri by LadyCKI February 1, 2020
Nigeria slang used by scam artists to refer to their victim
Wow, i got this Mgbada on a hook.

OMG, this Mgbada keep slipping from my traps. but i'm still gonna nail him.

mugu,fool
mgbada by esmanele December 5, 2009