1) Clucking sound 
• (n.) A slight sound such as that made by pressing the tongue against the roof of the mouth and explosively sucking out the air at one side, as in urging on a horse. • (v. i. ) To make a tchick.
Tchick noun [ Imitative.] A slight sound such as that made by pressing the tongue against the roof of the mouth and explosively sucking out the air at one side, as in urging on a horse. -- intransitive verb To make a tchick.