blabberinggerund / present participle Used as a participial adjective describing someone or something that talks excessively.
Translations
He is known for being a blabbering person who can't keep secrets.
Он известен как болтливый человек, который не может хранить секреты.
Definitions
Given to talking excessively and incoherently; garrulous. The blabbering tourists annoyed the quiet hikers.