nosh 
(nŏsh) Informal
(nŏsh) Informal n.
A snack or light meal.
intr.v. noshed, nosh·ing, nosh·es
To eat a snack or light meal: noshed on a bagel between classes.
[Yiddish nash, from nashn, to eat sweets, nibble on, from Middle High German naschen, to nibble, from Old High German hnascōn.]
nosher n.