Herbs and spices mixed with synthetic THC . When You smoke it , it gives you the similar effect that Weed would . It is now illegal (October 2011] and its been illegal for a couple months now . Why ? Because dumb people overdosed and died from it .
John : Ayee broo , did you hear about that chick that overdosed on that fake weed ?
Santiago : K2 ? Yeahh , i did . Sad Shit , broo .