His mother warned him not to associate with those floozies at the nightclub.

floozies 是 floozy 的复数形式，floozy 是俚语，指"轻浮、放荡的女子"，通常带有贬义。这个词源于20世纪早期的美国俚语，可能来自 flossy（花哨的）一词的变体。