The main psychoactive substance found in the Cannabis plant.(Delta-9-tetrahydrocannabinol; marijuana
Sheeeeit man, this Delta-9 has got me high as a motherfucker!
by Herschaft November 14, 2006
aka THC, the active ingredient in marijuana
I smoked a joint last night, but I still got that Delta-9 in my system!
by smokeweederryday December 21, 2008