phenylcyclohexylpiperidine Share definition Flag Street slang for PCP (angel dust). Golly! I think this marijuana is laced with phenylcyclohexylpiperidine! phenylcyclohexylpiperidine by Kebin September 30, 2007 0 0 Get merch Get the phenylcyclohexylpiperidine mug. Buy Now — $32.95 See more merch