CorrectSo in an article talking about the OG ps4 it's the original gangsta ps4?
Yep, and it was used in gangs before that.
It was arguably introduced to the current generation through sneaker culture and, in that field especially, it is just used as ‘original’.
OG stands for 'Original Gangsta' and that's it. It's not so much the 'sneaker culture' that has shortened it, it's just the evolution of language full stop. My teenage daughter for example says 'K' instead of 'Okay' - I call it lazy, but it's not really, it's just change.
OG will always mean 'Original Gangsta', if it's shortened by the yoof of today, so be it, but I know what it really means, because I'm old