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The results of leaving your make up on all night. It typically causes the mascara to come off weirdly in the morning and can feel like gluing one's eyes shut.
Girl One: "Awww! After that party last night, I passed out without taking my make up off."
Girl Two: "Oh, don't tell me you have sleep sand?"
Girl One: "Ugh. Yeah I do. It's going to take 20 minutes just to remove it."
by ThePlatypus July 15, 2010
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