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A girl, or guy, who dates a person in the band and wrecks the band. Much like a homewrecker.
Person 1: Wow,Katrina totally ruined that band when she started going out with Kramer.

Person 2: I know! She is such a bandwrecker! I am so glad he broke up with her!
by iatebandwreckers March 19, 2010
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