What is Let It Run?
1.
proper command a coxswain or coach to yell inorder for the rowers of the sport known as crew to stop rowing; commonly confused with weigh 'nuff however this is the PROPER TERM; originated for the fact that after the rowers stop rowing the boat will still run across the top of the water
Coxswain: "Bow pair, take a few strokes."
Coxswain: "Let it run."
See