by Ksisisiskskskek May 31, 2020

the opposite of so. when a conversation dies, instead of saying so, say os. it will jump the conversation to a new level to keep the flow.
by Will Hamilton March 10, 2004

An abbreviation for oh shit
"Os! Do you smell baby Sarah? I thought I changed her a few minutes ago."
"Os?"
"I don't wanna cuss in front of the child."
"Os?"
"I don't wanna cuss in front of the child."
by kpbostonianakamrsadams June 22, 2009

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)
by teh_applegoddess July 07, 2003

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

Os a depressing person
by Ksisisiskskskek May 31, 2020

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:
http://en.wikipedia.org/wiki/Os
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:
http://en.wikipedia.org/wiki/Os
by peter edin October 16, 2008
