瞧我小蛮腰你在开玩笑
[qiáo wŏ xiăo mán yāo nĭ zài kāi wán xiào]
Loosely translated to 'look at my slim waist, are you kidding?'. The name has a light-hearted tone while emphasizing a feature - a slim waist. It can imply self-appreciation and self-derision, making fun of oneself and creating some humorous interaction.