demoflush
n.— «It was at that time the resort bought into a method using wastewater flows to track visitors. The method known as demoflush, a weighted average of sewage generation per visitor, helped estimate the number of people in town at a given time through average water usage.» —“Resort Revisits Counting Flushes To Determine Visitor Numbers” by Jacob Cook Dispatch (Ocean City, Maryland) May 26, 2006. (source: Double-Tongued Dictionary)