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Jyutping daa2 je5 zin3
Pinyin dǎ yě zhàn

Definitions (CC-CEDICT)
  1. see 打野炮[da3 ye3 pao4]
Definitions (粵典–words.hk)
  1. 動詞
    進行​野戰​(​見野戰​解釋​)
    literally: to play war-games (see 野戰 entry)
Definitions (Wiktionary)
  1. verb, euphemistic, slang, verb-object
    to have sex in a public place
Examples (粵典–words.hk)
  1. Cantonese
    打野战
    打野戰
    • to have sex outdoors
  2. Cantonese
    天气噉冻仲打野战?
    天氣噉凍仲打野戰?
    tin1 hei3 gam3 dung3 zung6 daa2 je5 zin3
    • Are you sure you want to have sex outdoors under this cold weather?