Biebtard

noun: A scarily obsessed fan of Canadian 'pop star' Justin Bieber. Generally female, and generally no older than 16.

Somewhat derogatory, similar to "Twihard".

"Did you see those screaming kids that shut down half of Sydney when the singing Canadian elf flew in?"
"Yeah, damn Biebtards."

by curlyjefferson April 28, 2010