Throat-clear

A throat-clear is a sound made at the back of the throat by tightly constricting the laryngopharyngeal tissues and vibrating the palatoglossal arch and the vocal folds while exhaling through the nose; this may be done with the mouth slightly opened or completely closed.


A throat-clear is a sound made at the back of the throat by tightly constricting the laryngopharyngeal tissues and vibrating the palatoglossal arch and the vocal folds while exhaling through the nose; this may be done with the mouth slightly opened or completely closed.
Read article on Wikipedia