rattle top
/ˈrætəlˌtɑp/
noun
- A person who talks too much or too loudly, often in a foolish or annoying way.
- I couldn't concentrate with that rattle-top going on and on about nothing.
- My uncle is such a rattle-top that he talks through the entire movie.
- The new student turned out to be a rattle-top, chattering nonstop during lunch.
Synonyms