noun, archaic
the yellow canopy of the emperor's carriage
Examples (Wiktionary)
Mandarin
最终的状态就将是周瑜打黄盖——一个愿打一个愿挨，大家一起参与，图个轻松娱乐。
最終的狀態就將是周瑜打黃蓋——一個願打一個願挨，大家一起參與，圖個輕鬆娛樂。
zuì zhōng de zhuàng tài jiù jiāng shì zhōu yú dǎ huáng gài — yī gè yuàn dǎ yī gè yuàn ái ， dà jiā yī qǐ cān yù ， tú ge qīng sōng yú lè ．
In the end, it's like the story of Zhou Yu attacking Huang Gai: one willingly attacked, and one willingly bore the attack. In other words, both sides are willing accomplices in the pursuit of frivolous entertainment.