Zilch is a slang with origins from the US that is defined as having a value of zero or nothing."zilch." Dictionary.com Unabridged (v 1.1). Random House, Inc. 01 Feb. 2009. . "zilch." Online Etymology Dictionary. Douglas Harper, Historian. 01 Feb. 2009. .Zilch may refer to: Zile, a city in eastern Turkey Zilch , a Japanese American musical group Zilch was a mod clothing shop in New York City owned by Monkee Davy Jones in the late 60s. Zilch was a song (actually,