柒吓柒吓 [－－－－]

Jyutping cat6 haa5 cat6 haa5
Pinyin qī xià qī xià

Definitions (粵典–words.hk)
  1. 形容詞、粗俗
    同​烚​下​烚​下​咁​上下​意思​，​但​係​語氣​強烈​同​粗俗​好多
    an obscene expression for extremely stupid; very stupid; "fucking stupid"