n̂g-gû黃牛

ox

ox; cattle; ticket scalper; one who bribes and speaks on someone else's behalf to illegally gain benefits; quack; charlatan

English Wiktionary, “黃牛” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%BB%83%E7%89%9B · confidence: Medium (Wiktionary, Hokkien)