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Jyutping siu2 laa3 baa1
Pinyin xiǎo lǎ ba

Definitions (粵典–words.hk)
  1. 語句、粗俗
    「​屌​那媽​」​嘅​避​諱​語
    variant of an obscene insult 屌哪媽 díu laa māa, "fuck your mother!".
  2. 參看
    燒喇叭
Definitions (Wiktionary)
  1. intj, Cantonese, slang, vulgar
    fuck your mother; fuck you

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Jyutping siu2 laa3 baa1
Pinyin xiǎo lǎ bā

Definitions (CC-CANTO)
  1. trumpet; a swearing phrase
Definitions (Wiktionary)
  1. noun
    trumpet
    (syn.) 小号, 小吹, 小號