tongue clacking

derogatory obsolete uncountable

(obsolete, derogatory) The act of talking incessantly with little or no meaning.

Japanese Meaning

意味のないおしゃべりを延々と続ける行為。 / 中身のない、無駄話をひたすらする行為。

His tongue clacking during the lecture annoyed the professor and distracted the other students.

彼の無意味で絶え間ないおしゃべりは講義中に教授を苛立たせ、他の学生の注意を逸らした。

Sense（1）

(obsolete, derogatory) The act of talking incessantly with little or no meaning.