有你冇我 [－－－－]

Jyutping jau5 nei5 mou5 ngo5
Pinyin yǒu nǐ mǎo wǒ

Definitions (CC-CANTO)
  1. “it's you or me!” [colloquial]
Definitions (粵典–words.hk)
  1. 語句
    同​人​表示​拒絕​妥協​，​或​好似​全面​開戰​噉
    （literally: if you no me）a threat or a description of a situation in which the speaker refuses to compromise or states that everything is at stake, "it's you or me!".