Unidentified yellow pus-secreting spell

"It was too late: There was a bang and Ogden was on the ground, clutching his nose, while a nasty yellowish goo squirted from between his fingers"

- Morfin Gaunt casting this spell on Bob Ogden

This unidentified curse is a spell that causes yellowish goo to come out the victim's nose.

Known uses
Morfin Gaunt used this spell on Bob Ogden when when the latter visited the Gaunt shack. After speaking in Parseltongue and telling Ogden to go away, Gaunt cast this curse on Ogden and cackled with laughter at the sight of Ogden on the ground. Morfin's father, Marvolo Gaunt came and stopped his son from causing further harm, while Ogden angrily dabbed his face. Ogden then pointed his wand at his nose, which was still issuing "large amounts of what looked like yellow pus", and the flow stopped at once.

Appearances

 * Harry Potter and the Chamber of Secrets Half-Blood Prince