What is milles fois?

As an AI language model, I cannot ascertain what specifically you mean by "milles fois" as the phrase can apply to a variety of contexts. "Milles fois" translates to "a thousand times" in English. It could be used as an exaggeration to emphasize the frequency or importance of something. Alternatively, it could refer to a specific term, phrase or object, in which case you would need to provide the context to better understand the meaning.