Chin fest is a slang term that appropriately describes a situation or conversation where people are talking excessively or engaging in long-winded discussions. However, there are several synonyms one can use instead of "chin fest." Here are a few examples: 1. Babbler: A person who talks too much or without a clear point. 2. Gasbag: An individual who speaks for too long and without listening to others. 3. Windbag: Someone who speaks in a long and unfocused way, often talking about irrelevant topics. 4. Jabberer: A person who talks continuously without any meaningful contribution to the conversation. 5. Chatterbox: Someone who talks a great deal and often without thinking or taking breaks to listen.