Определение overselling в Английский Язык Английский Язык словарь
{i} act or instance of selling more than can be provided or manufactured; excessive promotion of goods; act or instance of extolling a person or thing too highly
If you say that something or someone is oversold, you mean that people say they are better or more useful than they really are. The couple idea is certainly oversold. There's so much pressure to become a couple that people feel failure if they don't conform undersell