(Orange county)
Some melodramatic soap opera popular with teenage girls
Jill:Tommy and Jim, you wanna come over and watch the O.C. wth me?
Tommy:Sure, I love that show!
Jim:I'd rather stab a ballpoint pen through my retina.
by Dispatch Kick Ass July 17, 2004
oc
Short for overclocking.
Any adjustments made to computer hardware (or software) to make its CPU run at a higher clock rate than intended by the original manufacturers. Typically this involves replacing the crystal in the clock generation circuitry with a higher frequency one or changing jumper settings or software configuration.

If the clock rate is increased too far, eventually some component in the system will not be able to cope and the system will stop working. This failure may be continuous (the system never works at the higher frequency) or intermittant (it fails more often but works some of the time) or, in the worst case, irreversible (a component is damaged by overheating). Overclocking may necessitate improved cooling to maintain the same level of reliability.
A gamer has a slow processor, and wants to have his computer run at faster speeds. She/he uses for example a software to accomplish this.
by jhsevs March 15, 2013
Oc!
A general exclamation. Pronounced 'Ock', Oc stands for 'Oh Crap!'
"Oc!"
"What?"
"I just realised my girlfriend's a guy!"
"Oc!"

"Oc! This piece'a POC's not working!"
by Shatty Fatmas October 11, 2007
oc
open crib

meaning no one is home so you can fuck
girl: hey can I come over tomorrow?😏
guy: yeah if it's oc👅
by Mim15 January 28, 2016
OC
An overly used term to describe the county "Orange County" located in the southern part of California between Los Angelos and San Diego. "OC" is indeed overrated, I live here and its nothing like how it is depicted in the show "the OC". I work for every penny I have, I live in a 1/5 acre house, hot girls aren't around every corner, not everyone is blond, there is a huge infestation of Bro's, Emo's and boarder hoppers, Every Home Depot has at least 5 poses of illegal Mexicans looking for labor, Not everyone surfs because you cant surf without wearing a wet suit because the beaches are cold, and full of trash and tourists... Not that I'm complaining, it just bothers my that people say "the OC" instead of OC. Because its not really that special, just the weather is nice.

Oh, and if you want to see Exactly how big of a house I have, google earth search "Orange Rounty Rossmoor"
OC used to be a fun place to live, but the show "the OC" ruined everything, because now everyone wants to come here just to be disappointed. And then they leave their trash behind on all of our beaches.
by Kyle Samuelsson January 18, 2008
OC
Short for Open Crib. Where there is a lack of parental supervision, and lots of alcohol / drugs are usually being consumed while the parents aren't home. OC's usually get aggressive real quickly.

Popular amongst 15-25 year olds
Yo man, who has the OC right now? I just got out of work and would love to kick back with some blunts and brews right now.
by anonymous 1157 July 24, 2016
OC
"Operational Computer"
An operating Computer is a program that manages computer hardware and software resources and provides common services for computer programs. The operating computer is a component of the system software in a computer system. Application programs usually require an operating computer to function.
"I just installed my new OC"
by Dill "Pickle" Gate July 14, 2016
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