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1 definition by IHeartMuffi

The evil, nose less man in Harry Potter. More commonly reffered to as "Lord Voldemort" or "You Know Who". he was very evil and killed many wizards, Witches and muggles causing wizards and witches to fear him and his name.
Oh No... He Who Must Not Be Named has killed my fifth cousin twice removed... :'(
by IHeartMuffi January 20, 2012