An epidemic currently sweeping the nation. Common in pre-teen and teenage girls, Bieber Fever is a condition involving obsession with the rising pop star, Justin Bieber.

Common symptoms include; obsessive conversation, obsessive poster hanging, as well as obsessive stalking. Peer pressure causes many to succumb to Bieber Fever, and thirteen year old girls are at the highest risk for this condition.

If your daughter or son displays any interest in this baby-faced good guy, please do your part to stop this unfortunate epidemic, based on the infatuation of our youth.
Susan: My daughter Jenny looks dazed all the time, and she cannot stop listening to "Baby".

Cheryl: Same with my Destiny, she keeps speaking to all of these Justin Bieber posters in her room.

Susan: Its time for intervention, looks like our girls have BIEBER FEVER!!!!!
by lmnop16 April 23, 2010
The term Bieber fever applies mainly to prepubescent girls with a few exceptions. Most people that actually have bieber fever are either:
1. Deaf
2. Possesing an IQ below room temperature
3. Pedophiles
4. Knowing nothing about music
5. Under the age of 10

Few people know the cause of Bieber Fever, but it generally causes any girl years younger than him to love him and anyone with a tiny bit of manliness or sense of music having a strong hatred towards the girl they call Justin. Usually this would cause someone to go to jail and eventually get shanked multiple times, but Bieber is a celebrity and is known to attract miles of fools that can actually listen to his sqeaky xbox live-esque voice. After concerts, the crowds are generally worse than riots, and the Local Swat teams have to hold back the now savage fans.
Dumbass Girl: Woo! I have Bieber Fever!

Person with complexity above a fruit fly: He makes horrible music, how can you like him?

Dumbass Girl: STFU! He's very talented

Person: *Sigh* (Procedes to daydream about Bieber getting cudgelled)
by Jag140 July 08, 2011
The super-obsession of Justin Bieber and his songs; Knowing the words to all of Justin's songs and everything about him; The impression of having stayed up all night just listening to his songs and waking up in the morning feeling like you're sick.
Girl A: *moans*
Girl B: What's wrong?
Girl A: I stayed up all night listening to Justin Bieber's songs and making a webpage for him.
Girl B: you have bieberfever, am I right?
Girl A: Hell yeah!
by loveisafourletterlie November 25, 2009
The biggest epidemic since the Black Plague.

Millions of women aged 3-60 have been affected by it. Although most men are immune, a couple have shown small signs of this deadly illness.

Symptoms include:
Loss of friends
Constant searching for gossip about Justin Bieber
And the developing of Edward Cullen Disease.

The only cure is more cowbell.
I've got BIEBER FEVER, and the only prescription is MORE COWBELL!
by Lucio Soph October 17, 2010
The obsession of Justin Bieber, only cure is a silver bullet to the head.
John: "Hmmm... I think he's a great singer"
'Sam passes John a gun and and five silver bullets'
Sally: "Oh, God! What happened?!"
Sam: "John had Bieber Fever!"
'Sally picks up the gun and places it to her head'
by MEGAZOR April 29, 2010
A horrifying disease that's like swine flu only much more deadly and infinitely gayer.
#1:Dude, I think I have Bieber fever.
#2: Oh shit, get away from me!
#1: I can't get his songs out of my head, MAKE IT STOP!
by Metalover95 April 13, 2010
Bieber Fever is a deadly disease that is caused by the overjoy and love of Justin Bieber. The outbreak of Bieber Fever hit harder and spread faster than Swine Flu.

What usually happens, is that they get so charmed by his lesbian hair and hip music, they forget he actually controls them with his dark powers. He gets them drooling like Golden Retrievers, and then they pee their pants.

Bieber Fever can happen to anyone from ages 3 to 97, but typically happens to single moms, substitute teachers, and prepubescent girls.

Once they're infected, they are insane. The only way to cure Bieber Fever is chopping off the victim's head with a meat cleaver.
Feel my forehead. Do I feel hot to you? Oh man I hope it's not.... Bieber Fever.
by deathbyblowdryerxx June 28, 2010

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