OG 

How some younger G refers to their mother

My OG acting funny, she wont let me use her car tonight.

OG by Cee H June 4, 2016

OG 

A strain of Kush and also has the meaning of Original Gangster.

Dammmnnnn that OG Kush be dank!

OG by ecc206 November 10, 2014

OG 

meaning Old Ghetto or Original Ghetto. A slang term for teens when referring to the old "back of town".

1. Sara lives in the OG

2. We should visit Sara in the OG.

OG by loverbutt2011 July 10, 2010

OG 

Oldass Gangster

yo that fam is a real OG

OG by fred23cruz March 3, 2016

OG 

Over Gay

You are an OG person !

OG by thunderstrom99 April 7, 2017

OG 

old guy
it is what you call your dad or grandpa. When you wnat to be cool in front of your dad.

Me: Hey OG.
Dad: who is OG and what is it?
Me: It you Old Guy.
Dad: im not old.
Me: Look at you head.

OG by Foxeymagic November 15, 2017

OG 

Original Golan- romanian for "original ruffian" or "original hooligan", country metal band with trap influences.

Man, Erik OG is the true OG.
I whish i'll be an OG when I grow up.
Good, tho not OG level.

OG by Warlord Dong April 1, 2018