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Jyutping maa1 jeon6 coeng4
Pinyin mā rùn cháng

Definitions (Wiktionary)
  1. noun, Cantonese, humorous
    thick lips

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Jyutping maa1 jeon2 coeng2
Pinyin mā rùn cháng

Definitions (粵典–words.hk)
  1. x
Definitions (Kaifangcidian)
  1. 厚嘴唇