sherm /ʃɜː(ɹ)m/ noun3 •(slang) The drug phencyclidine (PCP). •(slang) A cigarette soaked in PCP.We gon smoke a dip, all of it; not a little bit; we gon smoke a sherm stick. — 1995 •(slang, offensive) A degenerate; a person not worthy of respect.So there you got it. Pimp got a robbery charge hung around his neck, and Rome? That sherm fucked around and tried to buy some dope from an undercover cop. A whole lotta dope. — 2006 formssherms