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Jyutping gaa3 sai3 tong2
Pinyin jià shi táng

Definitions (粵典–words.hk)
  1. 名詞、形容詞
    一個​好​架​勢​嘅​人
    an extravagant, successful, big spending person. Literally: impressive hall
    • 睇外表完全唔知佢係個架勢堂
      睇外表完全唔知佢系个架势堂
      From the appearence, I cannot recognize he is an extravagant.
  2. 近義詞
    大粒佬

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Jyutping gaa3 sai3 tong4
Pinyin jià shi táng

Definitions (CC-CANTO)
  1. (noun) an authority. (adjective) powerful, authoritative (also a radio programs of Channel 903 in Hong Kong Commercial Broadcasting Corporation Limited called So Fab)
Examples (粵典–words.hk)
  1. Cantonese
    睇外表完全唔知佢系个架势堂
    睇外表完全唔知佢係個架勢堂
    • From the appearence, I cannot recognize he is an extravagant.