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.
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
GUY 1: why did you get alot of snacks at that convenient store
GUY 2: don't you remember, we're doing snunch