talk incoherently

blubber burble mumble murmur mutter

blab blurt cackle chat chatter gibber gossip gush jabber patter prate prattle rant rave squeal tattle yak

go on run off at the mouth run on spill the beans talk foolishly talk nonsensically yakety-yak

speak clearly

be quiet be silent conceal hide

blab blather blubber blurt burble cackle chat chatter gabble gossip gush jabber mumble murmur mutter patter prate prattle rant rave squeal

go on run off at the mouth run on spill the beans tal talk foolishly

be quiet be silent speak clearly