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Jyutping ngau1 zoeng2 tau4 zai2
Pinyin gōu zhǎng tóu zǎi

Definitions (Wiktionary)
  1. verb, Hokkien, Quanzhou, Xiamen
    to make a pinky promise
    (syn.) 鉤手指, 拉鉤, 拉钩, 钩手指尾, 钩指, 鉤手指尾, 钩手指, 鉤指