gibber /ˈɡɪbə/noun 4/ˈd͡ʒɪbə(ɹ)/ noun 1/ˈd͡ʒɪbə(ɹ)/ verb 1forms 3 noun4 •(Australia) A stone or rock, of chalcedony or similar mineral, found strewn over arid regions of inland Australia; a gibber stone. •(Australia, informal) 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.” — 1918 •A balky horse.A hasty and passionate breaker will often make a really goodtempered young horse an inveterate gibber — 1831 •(Australia, no longer used) A large boulder or rocky outcrop; also, an overhanging rock formation. gibber /ˈd͡ʒɪbə(ɹ)/ noun1 •Gibberish, unintelligible speech. verb1 •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 – […] — 1599 formsgibbered · gibbering · gibbers