Means Original Gangsta
To be a REAL OG, you have to be in a street gang. There are 3 steps to getting OG status
1.Build yourself a reputation
2.Have your name and your gang associated, so wenever sumone thinks of you, they think of your gang.
3.Show yourself of a promotor of your gang.
Read "Monstor". "An autobiography of an LA gang member."
by secret cant tell May 28, 2005
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OG means old guy or old grampa
Man that dude looks og.
Dude your dad is such an og.
by Alpha Fire March 17, 2019
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"Old Girl" or "Old Girls".

Mostly in girl geek circles used to say doing something the old way (how the girl geeks did it) or talking about older geek woman/women.
"We should try and save this show the OG way."
"There is a lot of OG Star Trek fans here."
by silvercatmon May 29, 2023
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Original or Old Gangsta,
You have to be in a gang
Have a rep
And have been to jail or killed someone
"I'm back from the slammer striaght up OG now!"
by Shaw Shank December 24, 2005
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1. "Organic Grown"
High quality marijuana organically grown meaning grown without using pesticides, synthetic fertilizer, or spraying on chemicals
Yo im about to smoke a blunt of this og kush
by dont worry about it . January 24, 2010
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Although O.G. Back in the day used to mean Original Gangster ... OG for the Gen Z means “ Mother “
My OG said Pops is getting on her nerves again, he wont stop drinking that shit.
by Allen48699 December 22, 2019
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