泥垢 Traditional form: 泥垢 Pinyin (reading): nígòu Definitions: dirt grime Characters: 泥 - mud, earth, clay; plaster, paste 垢 - dirt, filth, stains; dirty; disgraceful Traditional characters: 泥 - mud, earth, clay; plaster, paste 垢 - dirt, filth, stains; dirty; disgraceful