1) Any non-wealthy area of Orange County, California.
2) Where you will find yourself if you decide to live in Orange County and you don't have millions of dollars or don't want a giant mortgage.
3) Any area of Orange County not featured on a reality show.
person #1 - Where are you from?
person #2 - The O.C.
person #1 - No kidding, what part?
person #2 - Lake Forest
person #1 - Dude, that's in The NO C !!!