Top definition
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
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Aug 7 Word of the Day
A person or people that purposefully causes chaos or mischief within a group for the sake of entertainment.
Yo! She just outed Brian and left. She's such a fucking chaos agent.
by Starquti September 05, 2020
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2
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
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3
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.
by Darwin Bonaparte June 01, 2010
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4
The act of throwing up because something is so horrendous.
If you've ever seen Jersey Shore, then you've probably Bieber'd or have come very close to Bieber'n.
by Zuthner March 02, 2011
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5
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whos bieber
by danny skidd April 13, 2010
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6
The worst insult in the history of worst insults!
Guy 1: I just broke up with my girlfriend...

Guy 2: Dude... you're such a Bieber...

Guy 1: Dude... we're done... that was mean, man...
by Meisamazingbejealous October 11, 2011
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