Social Lubricant and Icebreaker: In a culture that can be reserved, 罚酒 provides a structured and playful way to interact, build rapport, and liven up the atmosphere (搞活气氛, gǎohuó qìfēn). It lowers inhibitions in a socially acceptable manner.
Reinforcing Social Norms: By assigning a 罚酒 for lateness or for breaking a toasting rule, the group playfully reinforces its shared values (e.g., punctuality, respect for elders). Accepting the penalty is an act of acknowledging and respecting these group norms.
Face (面子, miànzi): This concept is crucial here. When you gracefully accept a 罚酒, you show humility and respect for the host and the group, thus “giving face” (给面子, gěi miànzi) to everyone. If you were to refuse angrily, it could cause both you and the person who proposed the penalty to “lose face” (丢面子, diū miànzi).
Comparison to Western Culture: A 罚酒 is similar to a “penalty shot” in a casual drinking game like beer pong. However, the key difference lies in the context. While a penalty shot is almost exclusively for informal fun among peers, a 罚酒 can occur in more formal settings, including business dinners with clear hierarchies. In the West, forcing a boss to take a penalty shot would be unthinkable, but in China, a subordinate might proactively drink a 罚酒 as a sign of apology or respect towards a superior.