Top Definition
The act of acknowledging the fact that you will not be kissing anyone this evening by eating an onion or onions.
Dude you might as well "onion up" cause you are not getting an action tonight.
by UrbanStephen September 03, 2010

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary 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

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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