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.

Original Ginger. One who was born a ginger then dyes their hair to trick the world into thinking he/she has a soul.

An OG is normally a member of a gang Who has been around for some time and has put in a large amount of work e.g. Killing enemy gang members. Therefore he is considered a more respected/ higher class member in the gang.

og stands for "original gangsta"

OG stands for Original Gamer. Popularized in online game chat rooms, OG’s are categorized as being veterans to a particular game, the polar opposite to a newbie or noob.

Original Gangsta; the real-life definition of a street-level mentality; no remorse or concessions for a person's (or group's) behavior associated with violence, sex and crime. A way of life, of sorts, that doesn't provide explanations or apologies because this is the "reality" of aforementioned subjects. The rapper Ice-T coined this term globally with one of the defining albums of gangsta rap, O.G. Original Gangsta. O.G. can also apply to a first generation item or family name, i.e. George H.W. Bush = "O.G. Bush"

1. Original Gangster, a criminal that has been around for a long time

2. Online Gangster, a pathetic 14 year old (presumably white) that pretends to be a gangster while posting to rap videos on youtube.com or "battles" on internet hip-hop boards. Synonymous of Wigger and an antonym of def. 1