The City of New York, as it's officially called, is quite a distinctive one. The way New Yorkers speak is different from generic US speech, both in the accent and in some of the phrases used. Learning how to pronounce your vowels and consonants, perfecting certain words and practicing every chance you get will have you sounding like a stereotypical New Yorker in no time.

Note: This is an exaggerated tutorial meant for actors or performers, and can (and should) be appropriately toned down if you want a less "out there" accent.