Выражение встречается в следующем контексте: Once a melting pot for struggling immigrants, the Lower East Side now offers an ever-changing night scene with youthful lounges and gritty bars (это из путеводителя по NYC). Заранее спасибо
gritty Describing anything, anyplace OR anyone that is dirty. Slutty. Nasty. Sometimes ugly, and definately Grimey. Or Gross. Usually used to describe females, certain males, and most nightclubs/bars.