pepper doctor
n.— «In Sierra Leone they are called “pepper doctors,” people who practice medicine under false pretences.» —“Health Care in Liberia: fake doctors, counterfeit drugs, and no alternative for patients” by Nyankor Matthew The Perspective (Atlanta, Georgia) Feb. 7, 2007. (source: Double-Tongued Dictionary)
Further reading
Need a slang term that can replace just about any noun? Try chumpie. If you’re from Philadelphia, you may already know this handy placeholder word. And there’s Queens, Brooklyn, Staten Island, Manhattan, and … The Bronx — why do we add...
Frederick from Valdosta, Georgia, wonders about the term galley-west. To knock something galley-west means to “knock it into confusion” “send everything in all directions.” In Mark Twain’s Adventures of Huckleberry...