the original gangsterz from the hood way back.

OG is refering to the pioneers of gangster rap who were in it since the beginning such as Dr Dre, Ice Cube and the late Eazy-E (RIP)
"I stab it like a true no good nigga
should,I do it the way a down OG nigga would" - Eazy E; "still a nigga"
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1. An Original Gangster that has been around a long time. An old school gangster, often with lots of experience and lessons learned.

2. In music lingo, OG means, an Original Version of a song that was recorded. Ergo, based on the the Master version. Often times confused with an OG Vibe track.

P1:Who does that guy think he is? he has turned soft. This is our time to shine we taking over.

P2: Give that dude some respect, he is an OG, you can learn a lot from him if you listen and learn. Don't become another statistic.


P1: Yes!! I finally found the OG version to this song all these producers keep screwing up.

P2: Nice, let me get that on my ipod.
by Don NY631 September 12, 2009
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The one in the family who actually has red hair, not a brownish strawberry blonde like the others in the family.
William was the OG in his family and proud of it, unlike his brother Kevin who denied he was a Jin in any sort of way.
by MeleKalikimaka July 30, 2012
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Acronym for original gangster. Means you have a classic style or stay with the older ways instead of newer.
Mr. Pollard is an OG because of his style and manner.
by MDMBoss777 January 22, 2016
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Onscreen Goddess
Person who has attained a high-level of achievement in Powerpoint 2007 presentation creation and development. Typical traits that OGs possess:
-Skilled at climbing terrain maps
-SmartArt obsessed
-Extreme ribbon dexterity
-Spin group temperature wheels as their main form of cardiovascular exercise.
Sheeet! That OG did a TIGHT presentation with some pimped-out SmartArt for the Intro Conference.
by Don Knotts version 2.0 July 10, 2008
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