gibber

noun

1. (countable, uncountable)Gibberish, unintelligible speech.
2. (Australia)A stone or rock, of chalcedony or similar mineral, found strewn over arid regions of inland Australia; a gibber stone.
3. (Australia, colloquial)Any small rock or stone, especially one used for throwing.

   ““Well, all I can say is that if yer don't take yer dial outer the road I'll bloomin' well take an' bounce a gibber off yer crust.””

4. (Australia, obsolete)A large boulder or rocky outcrop; also, an overhanging rock formation.
5. A balky horse.

   “1831-1850, William Youatt, On the Structure and the Diseases of the Horse A hasty and passionate breaker will often make a really goodtempered young horse an inveterate gibber”

verb

1. To jabber, talk rapidly and unintelligibly or incoherently.

   “A little ere the mightiest Julius fell, / The graves stood tenantless and the sheeted dead / Did squeak and gibber in the Roman streets – […]”