快過打針 [－过－针]

Jyutping faai3 gwo3 daa2 zam1
Pinyin kuài guò dǎ zhēn

Definitions (CC-CANTO)
  1. it is faster than getting vaccinated, it means it is really really fast
Definitions (粵典–words.hk)
  1. 語句
    比喻​好快​；​常人​覺得​有​病​徵打​支針​會​快​啲​好
    very quick, very fast; literally: faster than giving an injection
Definitions (Kaifangcidian)
  1. 極快 – 极快
  2. 很快
  3. 效率高
  4. 功效快
  5. 效率真高
  6. 功效特快