1 definition by UMJP

Top Definition
Really horrible, god awful diarrhea. Named for the quality of Justin Bieber's music, which is equally painful.
"Oh man.. I was in the toilet ALL NIGHT, had some serious Bieber Fever. Never want to endure that again."
by UMJP September 20, 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.

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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.

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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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