拉鉤 [－钩]

Jyutping laai1 ngau1
Pinyin lā gōu

Definitions (CC-CEDICT)
  1. pinky swear
Definitions (Wiktionary)
  1. verb, colloquial
    to make a pinky promise
    (syn.) 鉤手指, 钩指, 钩手指尾, 鉤掌頭仔, 鉤手指尾, 钩手指, 鉤指, 钩掌头仔