Tongue clacking is a term used to describe a sound created by the teeth and tongue. It is often associated with scolding or irritation. However, there are various other words that can be used to convey a similar meaning. For example, one can use "clucking" when trying to describe the sound of the tongue clicking against the roof of the mouth. Another synonym is "tutting," which refers to a quick sound made by the tongue and teeth when one is disapproving or giving a warning. Additionally, "tsk-tsking" is another term that can be used as a synonym for tongue clacking when trying to express disapproval or annoyance.