1. O.G. - Noun
2. O.G. - Adjective
(music, US, slang) Initialism of Original Gangsta; a person associated with the earliest era of gangsta rap.
(by extension, US, slang) Anything associated with an earlier, more traditional, and perceivedly more authentic era.
(soccer) Initialism of Own Goal.
O.G. (comparative more O.G., superlative most O.G.)
(US, slang) in the manner of an O.G. (sense 1 or sense 2); traditional, authentic, old-fashioned, or old school
After identity checks, it was found that the terror suspect, identified by the initials O.G., was sought by an Interpol Red Notice. Source: Internet
He addressed the symbolism and mythology surrounding Shakur's death in his talk entitled "Tupac Shakur: O.G. (Ostensibly Gone)". Source: Internet
And yet, as a pot culture O.G., my mother bemoaned to me in the car over to Afternoon Delight that she feels millennials dominate today's cannabis space. Source: Internet
"He came in one day with his hair dyed and this one-piece, man-jumper thingy on," says teammate O.G. Anunonby. Source: Internet
O.G. food truck Komodo has grown up over the years, expanding from slinging on the streets to opening two brick-and-mortar locations. Source: Internet
Tracy Morgan wrote his book, "The Last O.G. Cook-Book" through the lens of his "The Last O.G." character Tray Barker. Source: Internet