扒頭殼 [－头壳]

Jyutping paa2 tau4 hok3
Pinyin bā tóu ké

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