1. a midday meal consisting entirely of snack foods

Eating food that you shouldn't be/ hiding good food to eat later.

This usually applies to when household share food in a student or shared house situation.

its a combination of the words, sneaky and munch.

A snack lunch; a snack between lunch and dinner (usually a later dinner); can't have brunch and snunch on the same day

The most badass meal you can eat between lunch and dinner. You eat it when youre just too damn hungry to eat and you need to knock that dank hunger back into the fiery pits of Tartarus. The resulting happiness puts your day over the top and makes you feel invincible.

you take your lunch hour to eat your co-worker's snatch

its like when a guy says "suck my dick" except its for a girl to say.

Basically, if your a snack person, snunch is snack + lunch, the first snunch was on the day this was posted to urban dictionary, October 2021 on Day 16