控頭殼 [－头壳]

Jyutping hung3 tau4 hok3
Pinyin kòng tóu ké

Definitions (Wiktionary)
  1. verb, Hokkien, Quanzhou, Xiamen
    to scratch one's head (in handling a difficult matter)
    (syn.) 扒头壳, 扒頭殼