Top Definition
Made up on twitter, it is a type of orgasm people get when they see teen popstar sensation Justin Bieber. Justin may even get these himself time to time.
Justin Bieber Fan #1: OMG! Justin looks sooo hot here!! :0

Justin Bieber Fan #2: It looks like he's having a biebergasm! mmmm.
por Belieber 20 de Dezembro de 2009

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when every girl at a justin bieber concert simultainiusly have an orgasm when he starts singing
Dude: did you see the biebergasm last night?
Guy: ya i got a major stiffer
Dude: i think justin had one himself
por bootyfreak 21 de Janeiro de 2010

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A sexual erousment you get when you see or hear teen pop sensation " Justin Bieber "
Bieber Fan No.1 : oh my god he's so hot!
Bieber Fan No.2 : oh i know, i hink i just had a biebergasm!
por JBFanClubX 10 de Janeiro de 2010

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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When Justin Bieber does something that makes you horny
biebergasm!
por BelieberJam 12 de Novembro de 2010

The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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When someone has an orgasm, after seeing or hearing Justin Bieber and redefines it as "Biebergasm"
OMG. Justin Bieber is soooo hot! BIEBERGASM!
por iluvbieber 02 de Julho de 2010

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
when you see justin bieber, he is SO hot and you are so overwhelmed you have some kind of an orgasm, except its completely justin bieber-ish. :)
girl: ..and this pic is of paris hilton
other girl: cool
girl: and this is of..OMG, justin bieber!
other girl: omg omg omg hes so hot, *sighh*
girl: i TOTALLY just had a biebergasm
other girl: same. here.
por RoRogirrrllllyyyyyyyy yes. 28 de Outubro de 2010

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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when a belieber (justin bieber fan) Gets REALLY REALLY excited
por bieberfever247 03 de Dezembro de 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
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