@FlorkOfCows
Average person urinates 1-2 liters per day
With each liter weighing in at 2.2lbs
And a population of ~ 8,019,876,189
Multiply them together using average for the amount urinated:
1.5x8,019,876,189x2.2 =
26,465,591,423.7 lbs of piss
However to calculate the impact we need speed