(literally: even the ghost would be afraid); to describe something which will scare everyone
Definitions (粵典–words.hk)
形容詞
得人驚到連鬼都覺得驚 Literally "terrifying for even ghosts", figuratively "extremely terrifying".
嗰套恐怖片 真係鬼都怕。阿松重嚇到睇睇吓瀨咗尿。
𠮶套恐怖片 真系鬼都怕。阿松重吓到睇睇吓濑咗尿。
go2 tou3 hung2 bou3 pin2 zan1 hai6 gwai2 dou1 paa3. aa3 cung4 zung6 haak3 dou3 tai2 tai2 haa5 laai6 zo2 niu6. That horror movie is terrifying for even ghosts. A-chung was so scared he wet himself halfway through watching it.