NOSH Meaning of NOSH in English v. & n. sl.v.tr. & intr. 1 eat or drink. 2 US eat between meals. n. 1 food or drink. 2 US a snack. nosh-up Brit. a large meal. [ Yiddish ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012