Noun. 1. An inhabitant of brand new York, nyc that was in fact created and raised on Manhattan Island itself.1a. One that's a native of the borough of Manhattan, with objectives to continue living in New york, alongside fellow boroughbreds, imports, and non-boroughbred brand new Yorkers.1b. Small children which have currently discovered how to hail a cab at 9 months old.Adj. 2. regularly describe people who don't think when you look at the NYC subway system or walking a lot more than a half-block to their destination; rather will employ the use of taxis--even if its to another Starbucks within the street--or the one across from that.