Today, I watched some dude wash his hands by quickly alternating each hand (palms flat, fingers outstretched) underneath the faucet while rotating his entire upper torso in rhythm with his arms as if he was trying to increase the velocity of each swing toward his target. Left, right, left, right, left. It was like he was attacking the water with the most ferocious karate chop he could muster.
This continued until all of the soap suds had been rinsed free.
It should be mentioned I waited until he was done practicing his ninja skills before stepping up to the adjacent sink to wash my hands. It seemed prudent to avoid collateral spray from his flailing appendages; I prefer to be completely dry when exiting public restrooms.