Top definition
Moraga Bay area Gangstas is the main meaning but other meanings have also been created.
Moraga Badass Girls
Mac'n Big Gangstas
Makin' Big Geez
Most Balla Gangstas

The most gangsta chicks of Moraga. That's all there is to it.

"We iz what we iz!"
Those girls are such ballas, they muct be from the MBG!!
by K-FED n Mac Dreezy December 21, 2006
Get the mug
Get a MBG mug for your father Abdul.
2
Abbreviated form of Mexican Baby Gorilla - possibly the most annoying little fucker on the planet.
Chelsea: What is that orange thing over there? Oh yes!

Jim: Oh, that's an MBG, h'okay?

Chelsea: OMG that MBG is so fucking cute!

Jim: Actually, that MBG is too friggin' adorable, and it's pissing me off!

Chelsea: What? That little fucker is mocking me now! Why does it like it when I cry?

Jim: Poor Chelsea...
by trolling_motor May 05, 2011
Get the mug
Get a MBG mug for your guy Paul.
3
Muscle Booty Gang; prestigious gang for men who have very muscular booties, now known as MBN muscle booty nation
(Must send booty pics to leader in order to join)
Damn that boi gotta a muscle booty...if he sends pics he’s in MBG
by MBG MEMBER December 22, 2018
Get the mug
Get a MBG mug for your bunkmate Vivek.
4
Muscle Booty Gang, now known as Muscle Booty Nation (MBN) is a prestigious gang/nation associated with men that have muscular booties. To get in you must be a male with a muscular booty and send booty pics
Damnnnn...he gotta muscle booty invite him to MBG
by MBG MEMBER December 22, 2018
Get the mug
Get a MBG mug for your sister-in-law Yasemin.