An unreasoning fear of tandem bicycles.
"He was having fun at the bicycle parade until the tandem bicycles started to go past, then he became scared because of his biphobia."
by The__Doug April 25, 2009

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Top Definition
unreasoning fear of or antipathy toward bisexuals and bisexuality.
When someone says: "I don't date bisexuals because they are dirty, slutty and cannot make up their mind already." that person is displaying biphobia.
by wordmistress August 21, 2009

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

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).

Buy the t-shirt