Top Definition
Os-tans are anime personifications of operating systems as girls. Another name for it them is OS-girls. It all started when some random guy in Japan working at futaba channel thought Windows ME was like a tempermental troublesome girl who did all kinds of stupid things that lacked common sense.
person1: Xp-tan is a os-tan she has really big boobs!
Other person: YOU ARE PERVE!
by clueless_furball October 31, 2006

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A phenomenon started on futaba-channel where people made personifications of the operating systems out there. Find a long and better description at http://en.wikipedia.org/wiki/Os-tan
Geek1: XP-tan rocks so hard!
Geek2: All of the OS-tan's are so cute~ X3
Geek3: Yeah right.....
by Denny Lindberg June 20, 2005

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Your favorite word on a white mug.

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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).

Buy the t-shirt