chatterbox

[ chat-er-boks ]
/ ˈtʃæt ərˌbɒks /

noun

an excessively talkative person.

Origin of chatterbox

First recorded in 1765–75; i.e., person whose voice box chatters constantly

Example sentences from the Web for chatterbox

British Dictionary definitions for chatterbox

chatterbox
/ (ˈtʃætəˌbɒks) /

noun

informal a person who talks constantly, esp about trivial matters