流俗 Traditional form: 流俗 Pinyin (reading): liúsú Definitions: prevalent fashion (often used pejoratively) vulgar customs Characters: 流 - to flow, to drift, to circulate; class 俗 - social customs; vulgar, unrefined Traditional characters: 流 - to flow, to drift, to circulate; class 俗 - social customs; vulgar, unrefined