Belieber 

Belieber is a HUGE Justin Bieber's fan. Fan and Belieber is really different, Fan will leave him just because a little thing, but Belieber is not going to leave him eventhough the biggest thing that can break a relationship.

Fan: I love Justin Bieber! Belieber: I love KIDRAUHL! Fan: who's Kidrauhl? Belieber: GTFO!

Belieber by BELIEBER FOREVER June 26, 2012

Belieber 

the most terrifying music fanbase out there

person: justin biebers music sucks
Belieber: *sends death threats*

Belieber by askief April 19, 2013

Belieber 

A fanbase for the one and only Justin Bieber. The word Belieber comes from Believe and Bieber. Beliebers take up about 86% of Twitter users. Beliebers are the worlds biggest Fandom making up 34% of the World's population. When Justin's twitter account got hacked, the police got 15,000 calls from Beliebers.
A fan knows Selena Gomez.
A Belieber knows Avalanna Routh.
A fan knows Madison Square Garden
A Belieber knows Avon Theatre.
A fan knows Justin Bieber
A Belieber knows Kidrauhl

Google: Best fans on the planet
...Did you mean Beliebers?

Belieber by ForeverKidrauhl January 3, 2013

Belieber 

one who is an obsessive fan of justin bieber.

once i saw his face, i was a belieber.

Belieber by abbiebeliebes:) October 18, 2009

Belieber 

A person who loves Justin Bieber & beliebes in everything that he can do

I am a Belieber because i respect Justin Bieber and I believe in him.

Belieber by ABelieber January 16, 2010

Belieber 

A fan of and/or believer in Justin Bieber. In case it wasn't obvious, it's a combination of believer and Bieber.

When Neil Diamond's and Smash Mouth's hit song "I'm a Believer" was remade to "I'm a Belieber", all JB's fans similtaneously Biebergasmed and then procceded to Bieberblast the song on iTunes.

Belieber by MusicMan#2489 March 29, 2010

Belieber 

To Believe in or be a believer in Justin Bieber.

"I'm a Belieber"

Belieber by bieberluv96 January 22, 2010