定是你的身影
[dìng shì nĭ de shēn yĭng]
The phrase expresses deep longing and affection. It suggests a scene where the owner of this nickname is expecting someone they love or miss. Literally, it means that you are the figure that is surely there in their mind, implying someone unforgettable. The background lies in Chinese romantic context, which often conveys yearning through subtle words.