look up any word, like donkey punch:
 
5.
1. The physical embodiment of all that is gay, fake and weak.

2. A male that will never reach puberty, not even with testosterone therapy. Thus having underdeveloped balls indefinitely.

3. A fag who should of just stuck to being a quire boy.
1. I can't believe you went and got fudge-packed, You are such a Bieber!

2. That kid turned 22 and still didn't hit puberty. It's classic Bieber syndrome.
by TheKegBringer October 17, 2010
 
1.
A very small penis, around 3 inches or less in length and circumference, like Justin Biebers penis.
Girl: "I was gonna give my new boyfriend a blowjob last night, but pulled down his pants and saw that he had a Bieber. I laughed and broke up with him immediately."
by bieberhasnoballs May 23, 2010
 
2.
A unit of measurement used to gauge the level of discomfort caused by hemorroids. Each unit is roughly equivalent to the pain and discomfort of watching a Justin Bieber video.
I'd give it a 4 on the Bieber scale.
by Darwin Bonaparte June 01, 2010
 
3.
a synonym to the word gay.
I just sucked a dick, I am a total bieber
by klik_N64 August 27, 2010
 
4.
Like a weiner only smaller.

A very small penis.

Named in honour of popular singer Justin Bieber, a small weiner believed by many to have an extremely small penis.
Q: I heard Justin Bieber's weiner is just a bieber. Can that be true?

A: Yes indeed: modern science has shown it to be negligibly small.
by Pipe Downn November 12, 2010
 
6.
1. Another name for Satan
2. A slang for a gay guy
3. The reason why i hate pop today
1. I heard that Sally is a belieber
2. YOU ARE SUCH A BIEBER , FUCK MAN.
3. I hate bieber.
by Some guy that eats tacos January 01, 2011
 
7.
Blatant homosexual
Normal guy 1 : Hey look at that toolbag wearing pink.
Normal guy 2: Wow what a fucking bieber.
by noyfbf February 10, 2011