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Jyutping hang1 gaau1 kiu4
Pinyin kēng jiāo qiào

Definitions (Wiktionary)
  1. verb
    to fall on all fours (with the head and feet facing upwards)
    (syn.) 四脚朝天, 四腳朝天
  2. noun, Hokkien, Xiamen, vulgar
    death
  3. noun, Hokkien, Taiwan
    seesaw
    (syn.) 蹺蹺板