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somebody who sleeps with their boss to get the night shifts because they're so drugged out on coke and heroin that the sun hurts their eyes so they can't be out in daylight. It applies to people who are so coked out that they can only be out during the night.
girl: "I hope my boss isn't gay because I need to get a Vampire Shift!"
by VampireShift September 17, 2011