verb

talk foolishly, indiscreetly, or excessively.

she blabbered on and on

prattle,chatter,babble,prate,blather,blether,ramble,gabble,jabber,twitter,go on,run on,rattle on/away,blither,maunder,drivel,patter,gossip,tittle-tattle,tattle,yap,jibber-jabber,cackle,slabber,chit-chat,jaw,gas,gab,yak,yackety-yak,yabber,yatter,shoot one’s mouth off,witter,rabbit,chunter,natter,waffle,run off at the mouth,mag,twaddle,clack,twattle