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A menstrual cup, which is a medical-grade silicone device some women use to collect menstrual blood. Cups generally hold 1 ounce of fluid, the same volume as a standard shot glass. This nickname follows the logic of the nickname for tampons, vampire tea bag.
Suzie excused herself to the bathroom to empty her vampire shot glass since she was on her period.
by Undead_q October 19, 2015
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