What is white on rice meaning?

The phrase "white on rice" means being very close or attentive to something or someone, usually to point of being overly watchful or intrusive. It reflects the idea that white rice is often closely packed and sticks together, emphasizing closeness and attention. The phrase is usually used in a positive sense, such as being on top of a task or project, but can also be used negatively, such as being too clingy or controlling in a relationship. It is an idiomatic expression commonly used in informal settings.