Stupid to the last drop [... of water!]
BLING H20/English Mountain Water
You know who needs drinks carried round at all times because they may require one in transit? Babies. Mewling, puking, lovably helpless - and in blissful ignorance about the concept of self-discipline. In short, they have no control over what happens at either end of their alimentary canal. Perhaps the marketing men could reposition adult nappies, so that the same misguided urbanites could cosset themselves in one of those, in case they need to "go" while walking between appointments.
We have a drinking problem, and it makes oil seem cheap
Bottoms up (... no burps)!