36
OG is an emoticon. When you look at it with ur head tilted to the left, what does it look like? Thats right, Someone Fapping, or it can mean "Go Fuck yourself".
Friend :"Hey dude, your a fucking asshole"

You: "OG"

Friend: "No, Fuck you!"
by Azazel90x January 14, 2010
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37
any original gangster from any original street gang.
my tio is an o.g. from the west side longos.
by sisters of the o.g. November 23, 2005
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38
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 23, 2005
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39
by girly girl 123 November 11, 2010
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40
I swear on my OG cuz
Put respect on my OG name blood
by IAintNoOppNigga October 29, 2016
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41
This is what OG really means...

OG- Original gamer.

Anyone who remembers the day where you would sit on your couch and play original Nintendo while your grandma cheered you on from the love seat while smoking a cigarette. If you remember these times like they were yesterday because you still play these games, then you are OG. Son!
Keanan: Yo Justin! wanna be OG?

Justin: Yeah man, lemme get my grandma and her pack of cigs and we'll boot up some Mario 3 Sucka.
by Just EN Credible September 17, 2006
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42
Abbreviation of Old Greg, taken from the TV show "The Mighty Boosh", an OG is someone who drains the living life out of people. He wants to be loved by all, however his insistance to be friends with everyone is what eventually drives all away.
John: "Dude, did you hear Steve Baldwin is hosting the Oscars?"
Michael: "That's weird, he's a real OG."
by OXHC June 02, 2011
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