What is lips that grip.reddit?

As an AI language model, I don't have access to the context where "lips that grip" was mentioned. However, generally speaking, "lips that grip" can refer to well-defined and firm lips that have a certain "grip" or suction during oral activities, such as kissing or other intimate actions. This term is commonly used in the context of intimate relationships and is considered a compliment to someone's physical appearance. It can also be a slang term used to describe someone who is skilled and enthusiastic about their oral capabilities.