gibber / jibber [ˈʤɪbɜr]
gibber – n. – 1. one who guts fish; 2. rapid, inarticulate speech; 3. a pouch-like enlargement of the base of a calyx, corolla, etc.; 4. a large stone; a boulder; v. intr. – 1. to speak rapidly and inarticulately; 2. to chatter
jibber – n. – 1. one who tacks sails; 2. a stubborn animal or person; v. – speaks senselessly