gabble
ˈɡab(ə)l
verb
talk rapidly and unintelligibly.
he gabbled on in a panicky way until he was dismissed
jabber,babble,prattle,rattle,blabber,gibber,cackle,blab,drivel,twitter,splutter,talk rapidly,talk incoherently,talk unintelligibly,waffle,chunter,witter
noun
rapid unintelligible talk.
she wasn’t very good at the random gabble of teenagers
jabbering,babbling,chattering,gibbering,babble,chatter,rambling,gibberish,drivel,twaddle,nonsense,blah,mumbo jumbo,waffle,waffling,chuntering,double Dutch,flannel