blabber

 
Pronunciation: /ˈblabə/
informal

verb

[no object]
  • talk foolishly, indiscreetly, or excessively: she blabbered on and on

noun

  • a person who blabbers: the blabber wastes his own time, and the listener’s time
  • [mass noun] foolish, indiscreet, or excessive talk: the obsequious blabber of her servants