He's holding his breath. Just like sprinting, you take a big breath at the start and then don't waste any more energy changing your lungs and diaphragm.
The part that turns me off is the word 'jellied'. That jelly-like substance that comes out of a nose is snot. I don't want a bunch of snot mixed in with my moose nose loaf.
Somehow Unforgiven (aka The Most Boring Western Ever Made That Doesn't Include Kevin Costner) made this list, yet Quigley Down Under (aka the best movie with Tom Selleck and Alan Rickman) didn't?!?