Try doing some toeside 180 slides on the snow and then just pop off your toes and spin it

yap

Well, think about it for like a quick second as you are riding into it.

Practice on slopes, flat, flat and more flat. You'll discover soon that the bigger the jump is the less effort you'll have to do to spin. Watch out your head and where you look to stop the rotation ;)

Yep, you said it perfectly.

Exactly