1. Part of Billie's body shown very often during his live shows and loved by most fangirls.
2. A slang term for someone who shows up uninvited.
2. A slang term for someone who shows up uninvited.
What the fuck is she doing, hanging out in the westside LA? That eastside motherfucker's a Billie's butt!
by Curtis June 17, 2006
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