The first OG refers to "original gangsta" and the second OG refers to the Olive Garden. Together, it stands for the Olive Garden in your hometown that you and ya bois used to mainline back in the day.
Friend 1: Yo you finna hit up the OG tonight fam?
Friend 2: Word, the OG in Princeton or the OG OG?
Friend 1: Bruh, you playin'? Ain't nobody driving to Ptown, we goin' to OG OG.
Friend 2: Ayyy.
It is a strain of cannabis indicaavailable exclusively in Thane, Maharashtra. It is grown along with many other plants in Shilavati, West Bengal but what makes Ganya OG so potent and dank is still a mystery. Available in Ganya black (100rs), Ganya OG (250rs) and Ganya OG max(1000rs).
"Roll some of that Ganya OG thooo"
"Bro raat ke liye thoda ganya de na please"