What does "use wine as a pond and hanging meat as a forest" mean?

The emperors of the late Shang Dynasty were mostly tyrannical and violent, blindly pursuing comfort and happiness. The nobles of the Shang Dynasty also drank too much. According to modern analysis, it is speculated that because the wine vessels and drinking utensils at that time were mostly bronze vessels, which contained tin and dissolved in the wine, people in the Shang Dynasty were poisoned after drinking, and their physical condition declined day by day. Emperor Zhou in the late Shang Dynasty was a lustful and drunkard. The "Historical Records·Yin Benji" said: "(Zhou) used wine as a pond, and the county (xuan) meat as a forest, so that men and women chased each other naked, and it was a long night. "Drink." Later generations often use "wine pool and meat forest" to describe a luxurious life and excessive indulgence.