yinzerEnglishOxford New American Dictionaryyinzer /ˈyinzər, ˈjɪnzər / ▸ noun US informal a native or inhabitant of the US city of Pittsburgh in western Pennsylvania: I walked over to a table of yinzers and instantly felt at home [as modifier] a yinzer accent. – ORIGIN 1990s : from yinz + -er1.