pòaⁿ-thâu-chhiⁿ半頭生

half-cooked

half-cooked; underdone; having abnormal behavior (to the point of acting foolishly or rashly); subject to changing moods; easy to turn hostile

of riceetc.

English Wiktionary, “半頭生” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%8D%8A%E9%A0%AD%E7%94%9F · confidence: Medium (Wiktionary)