Now, Mary, let me see how much good you can munch out of your first mouthful.
late 14c., mocchen, imitative (cf. crunch), or perhaps from Old French mangier "to eat, bite," from Latin manducare "to chew." Related: Munched; munching.
To eat, esp to consume hungrily; pig out: You'll get together with your friends, right, and you'll be munching up or something/ She knew she shouldn't be munching out on carbos like this