It is highly likely that this term refers to a specific, localized file, such as:
If you are encountering this in a specific application, providing more context (like where you saw the term) would help identify its function. To help me narrow this down, could you tell me: QQ (185)MP4
What is the (e.g., is it a filename you are trying to open)? Knowing this will help me explain exactly what it does! It is highly likely that this term refers