Yeah, here in the US "top-shelf" is usually used in the context of alcohol. All of the really good stuff is top-shelf (usually literally) and the well stuff is

Yeah, here in the US "top-shelf" is usually used in the context of alcohol. All of the really good stuff is top-shelf (usually literally) and the well stuff is the garbage in plastic bottles. Keep the really good stuff up high and visible where everyone can see it.