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(F)ake (Big (D)ick (Disorder) - Fake Big Dick Disorder is a disorder that effects young white boys. It occurs when a white boy gets a new girlfriend. Then trys to flex on everyone in a attempt to impress her. This disorder wheres off shortly after he gets the shit beat out of him or gets dumped.
Yo, Trey got that FBDD ever since he got that new girl of his.
by Trevor The God June 21, 2016
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