1. Small amount of leftovers from something delicious. e.g. cookie dough left in the bowl, scraps of cake when you level it off
2. A small snack. Usually whatever you can find without having to actually make anything.
1. I have a little snick snack left, if anybody wants some.
2. Mom: What are you eating? Kid: Just a little snick snack before dinner.
snack leftovers little treat