Top Definition
The arbitrary amount of time it takes to install Windows XP on your computer. Usually somewhere between 40 and 120 earth minutes
I need to reinstall windows. I'll be back online in exactly one microsoft hour.

Your computer will be ready in one microsoft hour and 30 microsoft minutes
by d4m4s74 August 22, 2012

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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