This is an abbreviation used exclusively for games in the Halo series. It stands for OverShield.
p1: wtf? how didn't you die?
p2: I picked up an OS
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basically it means online school
bro 1: I have os bro!
bro 2: what's os
bro 1: online school
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Slang word for a power up in the popular game Halo 2 means Overshield. Gives you 2 extra layers of shield
"Pick up the OS you wont die!"
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The best operating system ever created. Created by our god Terry Davis.
temple os is the best, I have no clue why anyone is running anything else!
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An exampe of an Operating System made by a team from IBM and Microsoft in the early ninties. The team broke up and made diffrent versions.
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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!
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Smoke rings blown after inhaling opium.
"I can make opi-os!"
-Ralph Wiggum