n. When food (a snack) is consumed in an accidental, often regrettable way. This can refer to accidentally eating food of questionable quality and/or quantity.
2. I snaccidentally ate one of those ham sandwiches made out of pizza slices from 7-11. I think I need to get my stomach pumped.
3. I only wanted one Pop Tart, but I ate the whole box on snaccident.
"Susan, where's the rest of the sour cream and cheddar chips?", he asked. She said "Sorry Rob, there was an unfortunate snaccident involving those chips today."