screech
n.— «After their one bottle a day has been consumed, the men must content themselves with the foul-tasting chlorinated water, made more palatable by the addition of flavoured powder, or “screech” as they call it.» —“As the war against the Taliban continues to rage, what is life in Afghanistan really like?” in Garmsir, Afghanistan Indepdendent (United Kingdom) July 28, 2007. (source: Double-Tongued Dictionary)