1 definition by fisdpdt

Top Definition
A mass text message or email that informs your friends of an impromptu social event.
Researcher 1: We've been sequencing DNA for 13 hours; I need a ton of beer and a dance party, in that order.

Researcher 2: Hell yeah! I'll put out the bat signal.
by fisdpdt June 01, 2007

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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