Top Definition
A little girl, approximately 10 years old, who has a collection of 100 posters of Justin Bieber's posters and shirts. Loves listening to Bieber at least 12 hours a day and doesn't quit following him on Twitter when he cuts his hair.
"Hey, Ron, what's up with that little girl?"
- "Gee wiz, haven't you noticed? She's a biebenaire..."
by Pedobear131 March 09, 2011

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