坐住個腦 [－－个脑]

Jyutping zo6 zyu6 go3 nou5
Pinyin zuò zhù gè nǎo

Definitions (Wiktionary)
  1. phrase, Cantonese, idiomatic
    stupid; idiotic
    (syn.) 坐住咗個腦, 个脑坐住咗, 個腦坐住咗, 坐住咗个脑