頭殼碗髓 [头壳－－]

Jyutping tau4 hok3 wun2 seoi5
Pinyin tóu ké wǎn suǐ

Definitions (Wiktionary)
  1. noun, Hokkien, Mainland-China
    grey matter; brains; brain tissue
    (syn.) 脑髓, 腦髓, 碗髓, 头髓, 頭髓