Pre-snack

The snack you eat while waiting for another snack to be ready. Most often encountered when cooking or otherwise waiting for the main snack to be ready.

Person 1: *returns to couch from kitchen*

Person 2: "Dude, didn't you just put Bagel Bites in the oven? Why are you eating that string cheese?"
Person 1: "Chill Bro, this string cheese is just my pre-snack the Bagel Bites are on the way in 12 minutes"