Top Definition
Unofficial or lame
That chick over there is cup blue cup.

This is a blue cup event. Let's go.
by Randy the Cheeseburger Walrus October 11, 2009

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A cup which contains a blue substance usually being blue koolaid or hyptonic.
Damn that boy trippin off that blue cup.
by Michael Reasner April 05, 2008

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Lotsa space for your liquids.

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Lotsa space for your liquids.

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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

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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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