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A person with an uncanny but mostly useless ability to remember long strings of account numbers, phone numbers of elementary schoolmates, and/or the SSNs of siblings or exes
Jennifer: Hey, you remember that guy we met 9 years ago at the beach? I wish I could remember his number. He was cute.
Lisa: It's 555-867-5309. You're so lucky I'm a numberwhore.
by jezebel73 October 08, 2009
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a female who cotinuously gives out her number to every guy she meets
Beth: Where's Becca?
Sarah: Oh, she stayed back to give that guy her number
Beth: She's such a number whore
by trogdor0086 October 13, 2009
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