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Jyutping gok3 taam4
Pinyin gē tán

Definitions (Wiktionary)
  1. verb, Taiwanese-Hokkien
    to spit; to expectorate (to evacuate saliva from the mouth)
    (syn.) 呸瀾, 𦧲口水, 呸澜, 吐口水, 咯呸, 呸痰, 吐痰