Definition & Meaning of "white rabbit"

What is the origin of the idiom "white rabbit" and when to use it?

The idiom "white rabbit" originated from Lewis Carroll's novel "Alice's Adventures in Wonderland," where the White Rabbit character is depicted as constantly worried about being late. It is often employed when describing or referring to individuals who are running behind schedule. It may also be used humorously or metaphorically to convey the feeling of being rushed or overwhelmed by deadlines or time constraints.