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Jyutping sik6 taat1
Pinyin shí tà

Definitions (粵典–words.hk)
  1. 動詞、粗俗
    舐​閪​嘅​委婉​講法
    euphemism for "to perform cunnilingus"; literally, to lick tart

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Jyutping sik6 taat3
Pinyin shí tà

Definitions (CC-CANTO)
  1. to perform cunnilingus [colloquial]
Examples (粵典–words.hk)
  1. Cantonese
    食挞
    食撻
    sik6 taat1
    • to eat pussy; literally: to eat tart