What's on your mug?

To have an extreme case of mental vacancy. Common symptoms include OBD (obsessive bieber disorder). In extreme cases the affected individual will randomly orgasm when hearing the words: "Justin Bieber". It is believed that this disease was created in a laboratory in exchange for a Justin Bieber believe album. We would recommend dealing with patients by punching them in the face, this has the common side effect of shutting them up.

Person 1:"Justin Bieber" Person 2(Belieber): (starts orgasming) Person 3: (punches Person 2 in the face)

By nemokoccultus

One who is particularly inspired by Canadian pop singer, Justin Bieber. Often greatly confused seeing as Justin Bieber is more than likely a female confused about her gender, with the voice of a small school girl.

The beliebers are going absolutely insane as Justin struts onto the stage!

By Lowbar

A Belieber is someone who believes in, supports, and loves the pop star Justin Bieber, 19, from Canada. Beliebers are the biggest fanbase, taking up over 34% of the Earth's population.

"I love all of #MyBeliebers. What we got here is real. You can't deny that." - Justin Bieber, via twitter

By califxrnia

People who believe in and support the AMAZING talented teen heart throb Justin Bieber, and would do anything to stick up and defend him. Beliebers are behind Justin Bieber every step of the way, and are the best fans in the world.

Beliebers are Justin Bieber's biggest fans.

By kaatieebieberxo

Huge fan of faggot Justin Bieber who had sex change long time ago. Girls who drools over Justin Beaver and wanna have sex, in short hoes.

Girl: I'm a belieber Boy: You mean you're not fresh anymore? You ain't virgin!! Waaaaaaaah

By yohohohoho