munchies are when you are either stoned, drunk or generally fuxxed up and you want to eat everything you see.

shame munchies are when you are embarrassed by the large quantities of food you are eating, and you are shameful about it, but you keep going anyways.
Kandyce: Don't give me anymore oreos
Derek: Why not!
Kandyce: I've got the shame munchies!
by i'm kandyce bitch. June 5, 2010
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