"Game-of-Moans" is a term used to describe a particular scenario in adult films where participants engage in a competition, often verbally expressing their pleasure (hence, 'moans') in order to reach a climax and win the game. This tag is used to indicate a scene that involves playful banter, vocal expressions of pleasure, and a competitive atmosphere around sexual activity. The term "Game-of-Moans" may not be specific to English, but it's an easy-to-understand description for those familiar with adult content.