Original Granny- Old ladies of the future with tatoos & listen to rap music.
Our Mom is the O.G.
by Aunt Wild & Aunt Tess October 06, 2011

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Stands for "Original Gangster".
That girl Casey is an OG right there!
by C-swizzle fo shizzle November 06, 2010

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Abbreviation of Original Gangsta. First used by Ice T, with his 1991 album "O.G original gangster", and later adopted by gangsta rappers to refer to an old gangster.
Stupid gangsta rapper: I'm THE o.g
Smart underground hip hop artist: No gangsta can be original, they are all the same.
by Shakmaveli June 09, 2010

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O.G. is an acronym standing for ORIGINAL GANGSTER. people and things can be described using O.G. as an adjective. it is almost always associated positivley.
shit, that ninja turtles digital watch is O.G.!

that N.W.A joint is so O.G.
by 415beez May 28, 2006

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The abbreviation of "original ganster", a term overused by SGs or studio gangsters and millions of people that have never done anything gangsterlike in their life. It no longer a means anything.
Alex:"can I get a discount, I'm a OG, nigga" Cashier: "you're about as OG as Drake ya yesmaster ass nigga, get the fuck out my shop hood rat" O.G.
by Motheryucker April 11, 2016

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Your mother or women caregiver
I swear on my OG cuz
Put respect on my OG name blood
by IAintNoOppNigga October 29, 2016

The Urban Dictionary Mug

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on god. use it when youre being serious and want someone to believe it.
Paul: og i didn't eat your last slice of pizza
John: okay man I believe you
by fundamentalist101 January 16, 2017

The Urban Dictionary Mug

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