SuperCool noun a cigarette dipped into phencyclidine, the drug popularly known as ANGEL DUSTUS
One of the popular ways to get “dusted” is to dip cigarettes, specifically the Sherman brand, into a liquid form of PCP, allowing it to dry before smoking it. It is known as “SuperCool” or “Sherm.” — James Vigil, BarrioGangs, p. 127, 1988