Top Definition
When your bald ass fucking friend won't go mountain biking with you.
Ahhh, common Yani, you're such a deboost for not biking today!
by yani is katchal April 21, 2011

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To shutdown a machine, typically a computer. Opposite to reboost
I am going to have to deboost this computer because it has completely locked up!
by Clifford H. Boost November 27, 2006

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.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

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