Top Definition
A term used to discribe the fuckability of a ugly male or female. The term is measured by a negative money, Depending upon the ugliness of the person.
Bob: look at her!
James: Yeah shes back a book.
Bob: aw, shes not that bad only 5 hundred back a book.
James: Well yeah your right she has a nice ass.
by VENDETTA916 January 23, 2012
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