Definitions by Thisonechick.

Junk food hangover 

When one consumes so much junk food that the following day he or she feels still feels full, nauseous, sick, bloated and/or like crap. This usually occurs during but is not subjected to holidays such as; Christmas and Halloween.

Josh: Dude, what’s wrong with you?

Mike: Oh man, I ate so much at Christina’s party

yesterday. I think I have a junk food hangover.

Junk food hangover by Thisonechick. December 20, 2010