Original Gangter.
Tough Guy.
Someone that is cool that you look upto.
Highest status of coolness.
I am an OG you are a JG. We are enemies.
by benoitbarnes December 07, 2008
Get the mug
Get a og mug for your Uncle Jerry.
Original Google - Someone who is intelligent or well informed, who is at least 20 years older than Google.
” So who do you think would win Who Wants to Be a Millionaire, Ken Jennings or Brad Rutter? I don’t know I think both those OGs have a real good chance of winning the money.”

Google BG
by Polymath July 10, 2014
Get the mug
Get a OG mug for your buddy Sarah.
A word used to describe the first release of a numbered Jordan (1-23).
Kid: Those Air Jordan 1's are sick!
Other Kid: Yeah, they're OG's from 1985!
by Shawayne21 February 15, 2009
Get the mug
Get a OG mug for your fish Georges.
Original Gamer - someone who's been in the gaming industry ever since the dawn of Atari and Nintendo.

anyone who owns an old school game system, such as a Sega Genisis or an NES.
dude, Bob is such an O.G. He has Turbo Graffix games, Magnavox Odyssey, and a Super Famicom imported from Japan!
by El Juegon66 August 06, 2007
Get the mug
Get a O.G. mug for your buddy Julia.
OG means Original Gangsta

DiS MeANs tHEy sAy wHaTS HapPiNIn
Nibba 1: Thats one OG nibba

White Friend: ohh so he is my nibba

OG Nibba: I JusT SHot Up A ScHOoL
by OG_NiBBaS December 21, 2017
Get the mug
Get a OG mug for your Facebook friend Larisa.
Original Greg (Nance). It used to mean Original Gangsta, but that meaning is slowly being phased out.
That greg nance is OG.
by truthspeaker505905 April 28, 2011
Get the mug
Get a OG mug for your friend Abdul.