a dutchman's blow
Sneezing out a snot rocket from one nose hole while jamming your hand in the other like you’re trying to stop a flood.
I tried to blow my nose, and my hand got a face full of snot. Dutchman’s blow, baby.
My brother did a Dutchman’s blow in the middle of math class. The teacher lost it.
He did a Dutchman’s blow in the elevator. Now the whole building smells like a gym sock.