shtunk
n.— «Shtunk. From the Jewish. A smelly customer. [pencil] A bad customer. (Shtunk in Yiddish means a stink.)» —“Jewelry Auctioneers’ Jargon Obtained From Auctioneers and Jewelers on 42nd Street and 14th Street” by Hatch in New York City Lexicon of Trade Jargon , 1938-39. (source: Double-Tongued Dictionary)