Snot Burrito
When you're afraid of blowing your nose in public, so you just pinch the snot into your face mask. It is indeed a disgusting sensation.
"I really had to blow my nose on the bus, but I didn't want to make anyone scared ... so I blew it into my face mask."
"That's what I call a snot burrito!"
"That's what I call a snot burrito!"