40 water what is it?
E-40 Wants To Bring Back Healthier Version Of "40 Water" E-40 unveiled a health drink called 40 Water over a decade ago. Now, the Bay Area Hip Hop luminary wants to bring it back — but with a slight twist. ... 40 Water is not only a nickname for E-40 but also a Lil Jon-produced single from 2008's The Ball Street Journal.