Sarah: "Omg I am going to marry Justin Bieber."

Matthew: "Oh no Sarah's been hit with Bieber fever."
by Guitarkid916 March 30, 2010
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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'
BANG!!!
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
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Bieber Fever is a really contagious and dangerous disease found most commonly in girls aged 8-14 and some gay guys. Most people develop immunisation at first contact.

Bieber Fever is caused by listening to Justin Bieber's music. Until he is terminated, Bieber Fever will continue spreading around the world.

Bieber Fever can cause sever brain damage- They believe Justin Bieber is a boy even though SHE is obviously a girl. They also call themselves "Beliebers" even though it has been scientifically proven that beliebing is impossible. There have even been cases of heart attack at the sight of Justin Bieber.

This disease can range from mild to deadly. Unfortunately, the only cure available so far is to smash all CDs, burn all posters and stop all access to Disney channel and YouTube. Experts around the world are currently researching how to end this madness. (Madness? This is Sparta!)
If you have a friend, family member or loved one who has been inflicted with Bieber Fever, please kindly punch or slap them in the face and tell them to move to another planet.
by Teh_Pseudonym January 20, 2011
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The disease that consumes the brains of young females, and makes them literally go insane. To be around a large group of these infected girls one mention of the name "Justin Bieber" will cause chaos and you would probably be trampled to death. These delusional tweens also believe that they will marry Justin Bieber, news flash that is not going to happen.
There is no known cure to "Bieber Fever" most likely it will be the next actress/singer to be queefed out of the murder machine that is disney.
Rabid fangirl: OmFG I <3 JuSTiN BiebR!1!!1! I'M gOinG tO MarrY HIm!!!1!!
Me: you are just an idiot with Bieber Fever, you will not marry Justin Bieber, you will most likely end up as an obese housewife with too many kids.
Rabid fangirl: *hysterical sobbing*

Ex.2
Rabid fangirl: Omfg Selena Gomez is dating Justin Bieber, I swear I'll kill her because she's a pedo slutbag with no life Gawd what a whore.
Me: you know it's people like you who make me look foward to dying alone.
by forever a nerd January 19, 2011
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Beiber fever: A rare disease in which the testicles of a male of 13 or older have not descended yet. In result of the lack of testosterone, the male may develop a girlish, high pitched voice, a douchey hair cut, and an even douchier hair flip to accompany it. In a worst case scenario, the male is diagnosed with a very serve case of pussietis (causes uncontrollable acts of being a pussy). Bieber Fever is a very serious thing and should not go untreated. If you or someone you know has Bieber fever, please contact Dr. Dre at 1-800-chronic.
by bmancommando February 24, 2011
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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
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The demonic trance that the Immortal One (Justin Bieber) puts young girls into while he steals their souls, which he feeds on to sustain himself.
Did you catch the Bieber Fever at the concert last night?
Yeah, but now I feel so empty inside.
by Dr. Jacob Cornelius January 31, 2011
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