老泥 (lou5 nai4) — dirt (from filthy perspiration of the skin) in Cantonese
louˏ₅老naiˎ₄泥Mandarin Pinyin: lao3 ni2
Meaning of 老泥
noundirt (from filthy perspiration of the skin)
nounthe mixture of dirt and dead skin on the surface of the skin; literally 'old mud'