OG 

An original gangster. The OG is the elder and advisor of the current generation gangsters. Also used to describe David Robinson, the true OG of the Waterbury Mesivta.

Hot damn, look at OG Dave, He the realest nigga on the block.

OG by Schlong2000 March 24, 2017

Og 

Has come to mean any verb. Derived from mispelling the word "go"

"I am gonna og to the store."
"Did you og the game last night?"

Og by Josh March 11, 2005

OG 

Original Gangsta, someone who has been around or is one of the first gangsta's

"Easy-E C-P-T OG from the other side" -from Dr Dre's 'Talk about it'

"Andre's been in the game so long, he's a right OG"

OG by C-P-T OG April 16, 2016

OG 

OG means Original God.

Oh? You call yourself OG? But you are not the Orginal God!

OG by epelpaj November 26, 2017

OG 

Old Gamer

Me and my bro have been playing fortnite since season one. We are OG’s.

OG by Phizzle January 12, 2019

OG 

It means original/original gangster, in this case a person who has purple skull trooper is an og

bob:yo lets get out of here he has og skull trooper
me:yea we should we will get destroyed

OG by epic: R3D HotShot March 4, 2019

OG 

It can mean 2 thangs ight.

1: yo momma or who raised you

OR
2: the old heads/ the niggas that was in the set for a long time. The " original gangsta"

If y'all use it wrong you gonna look stupid stupid

1:

"where you at La'Quence?"
"I'm at my OG crib slide."

2: "who that big nigga with the blick?"
"That's the OG big worm, he just got out the county he having a party at his OG's(his grandparents) crib tomorrow"

OG by PlanoFullOfWoaches April 10, 2019