jabber /ˈdʒabə
/ ▸ verb [no object] talk in a rapid, excited, and often incomprehensible way: he jabbered on about football.
▸ noun [mass noun] rapid, excited, and often incomprehensible speech. – DERIVATIVES jabberer /ˈdʒab(ə)rə
/ noun – ORIGIN late 15th century: imitative.