A hybrid strain of Of potent marijuana. Often called OG Kush, but O G is Sativa dominant.

Olive Garden. Mafia owned.

any original gangster from any original street gang.

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".

OG- n, adj. Original Gangster; "Original Gangsta", a gangster that stays true to himself and his set.

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.

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.