空心老倌 [－－－－]

Jyutping hung1 sam1 lou5 gun1
Pinyin kōng xīn lǎo guān

Definitions (CC-CANTO)
  1. incapable person (slang)
Definitions (粵典–words.hk)
  1. 名詞
    扮有料​，​但​係​冇​真材實​學​嘅​人​（​量​詞​：​個​）
    a person of little substance, a person with pretensions but with nothing substantial to back them up
  2. 參看
    空心老官、空心老棺