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Jyutping daa2 zeoi2 baa1
Pinyin dǎ zuǐ ba

Definitions (CC-CEDICT)
  1. to slap
Examples (粵典–words.hk)
  1. Cantonese
    佢讲嘢成日自打嘴巴。
    佢講嘢成日自打嘴巴。
    keoi5 gong2 je5 sing4 jat6 zi6 daa2 zeoi2 baa1.
    • He's always contradicting himself.
Examples (Wiktionary)
  1. Mandarin
    打嘴巴
    打嘴巴
    dǎ zuǐ ba
    • to slap someone's face