Speakers range from Erie County, New York Youngstown, Ohio and Clarksburg, West Virginia. Centered around Pittsburgh, the dialect stretches throughout Appalachia. The word yinz is a word that's part of what's known as Western Pennsylvania English, aka Pittsburghese. Don't worry, though… We're here to help you with a brief guide on the history, usage, and significance of one of the most famous multipurpose Pittsburghese words. Depending on your familiarity with Western Pennsylvania's culture and language, phrases like that might cause you to shake your head in confusion.