Top Definition
A belief in something that is too central to the holder's identity and sense of psychic well-being to relinquish, even in the face of compelling evidence.
Extreme beliefs are a sign of egomania and insanity.

That guy over there has an extreme belief that the Cubs are the best baseball team ever.
by Jaochai November 02, 2005

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.

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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

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