That trick was insane OS!

That suit is so OS! (Colorfull suit from the 80's)
by Vegard & Lars April 28, 2006
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Operating System. Some are designed to be available to everyone (Linux :).
Some are designed to take your money (Windoes :().
# Examples of OSes #
Free/Open BSD
MacOs X
by :) February 05, 2005
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acronym for operating system. the best one is teh Mac OS, followed by Unix, then Linux and finally Windows (hands down the worst OS on earth)
Apple and Microsoft are competing against each other to get more people to use their OSes
by teh_applegoddess July 07, 2003
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Latin for "mouth". Used to describe the small opening of a woman's cervix, either on the vaginal side of the cervix, or on the uterine side.

Pronounced: "Oz" or "Oss"
"The cervical canal has a constricted opening or os at each end. The internal os communicates with the cavity of the uterus; the external os, with the vagina."
Knowledge is power.
by PupNTaco June 10, 2005
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simply its mean for most of us:

Open Source

may be the same characters have other meaning , but the most popular is open source.

And these is some other meaning for OS characters:
by peter edin August 27, 2008
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Operating System. Windows is the only one worth your money, with the downside of constant errors (and the blue screen trauma).
by Bastardized Bottomburp May 03, 2003
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