mystery booger

A booger that immediately vanishes upon blowing it out.

It is usually found by someone else hours later, stuck to some conspicuous place on your body.

"Hey, Jim! You've got a big snot on your shirt!"
"Damn that mystery booger!"

smeh booger

A booger that is blown out and ejected from the nostril without a handkerchief or tissue, usually by blowing out of one nostril while the other is pressed shut.

“Smeh” is an onomatopoeia for the sound made when the nose is forcibly blown.

“Jerry didn’t have a tissue, so he blew a smeh booger that landed on the teacher’s plate.”

floogly

Used to describe loose foreskin on a man or meat curtains on a woman

“I couldn’t suck his dick with all that floogly foreskin flapping around.”

“She must fuck a lot because her vulva is floogly as hell.”

stopper

A booger that covers all of the inside of your nostril. When blown out, it is usually round and sometimes bloody.

"Ooooh, I just blew out a big stopper."