Chelm

Proper noun

1. A city in Poland, known for the Jewish stories about its (mythical) stupid residents.
   • The fool I am, the fool. A citizen of Chelm, an idiot, one of those characters my grandfather's legends are made of. - 1999, Martha Blum, The Walnut Tree, Coteau, →ISBN, page 100:
   • You are the quintessential Chelmsman, Art -- indeed, you are the prince of the Sages of Chelm. - 2010 January 27, "nordicskiv2" <[email protected]>, "Re: HELMsman", message-ID...