verb; make faces, intentionally to fool themselves, doing some tricks
Definitions (粵典–words.hk)
語句
做咗啲古靈精怪嘅嘢 to do something odd and wicked
佢係個怪人,成日整鬼整怪。
佢系个怪人,成日整鬼整怪。
keoi5 hai6 go3 gwaai3 jan4, sing4 jat6 zing2 gwai2 zing2 gwaai3. He is a strange man that he always does something odd and wicked.