Nova Scotian Snow Blower

When a two people place nostrils (the openings) against each other. One person then blows air into the persons nose. This air can either transferred back to the first partner. Or the partner receiving it can release the air out of there mouth.

me: Bro, do you want to have a Nova Scotian Snow Blower with me?
James: Hell no! i dont want you snot in my nose!