Mad Bar Clear is likely a fictional or generic name for a clear spirit bottle. Without specific information about its contents, it's impossible to describe its taste or history accurately. If it's a blank canvas, it could be imagined as a crisp, clean vodka or a smooth, versatile gin, perfect for cocktails where a neutral base is desired. It could also represent a new-age spirit, focusing on purity and clarity, with no additives or strong flavors. One might consider trying a spirit in such a bottle if they are looking for a clean, unadulterated base for mixing, or a spirit that allows the nuances of other ingredients to shine.