n. a snack. (From German via Yiddish.) : I don't want a nosh. I need a whole meal.
in. to snack. : Every time I see you, you're noshing.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
Cite This Source
1957, from Yiddish nashn "nibble," from M.H.G. naschen, from O.H.G. hnascon, nascon "to nibble," from P.Gmc. *khnaskwajanan. Earlier as a noun (1917) meaning "a restaurant," short for nosh-house.