n.
In phonetics, a suction sound made in the mouth.
Click sounds occur in various African languages and are often used as interjections in other languages
for example, the sound of disapproval represented in English by tsk, tsk . Clicks are a regular part of the consonant system in the Khoisan language s and in Bantu language s such as Xhosa and Zulu that have been strongly influenced by Khoisan.