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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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Oct 27 Word of the Day
The time between Christ’s birth and the beginning of the coronavirus.
In late 2016 AD or 3 B.C.V., Donald Trump was elected as the 45th President of the United States of America.
by JDS12 March 27, 2020
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