From Longman Dictionary of Contemporary Englishgabblegab‧ble1 /ˈɡæbəl/ verb (gabbled, gabbling) [intransitive, transitive] TALK TO somebodyto say something so quickly that people cannot hear you clearly or understand you properly Just calm down, stop gabbling, and tell me what has happened.→ See Verb table
Examples from the Corpus
gabble• Squeezing her eyes so tightly shut that they looked like senile lips, Mary began to gabble.• Leila threw herself on Quincx, gabbling about what happened.• O'Neill was gabbling and the conversation was running away like a driverless express.• They charged into the other dressing rooms, gabbling as they started a quick change for another number.• Very sensible of Hilda: nothing is more ridiculous than an old-age pensioner gabbling on about his or her risqué past.gabblegabble2 noun [singular, uncountable] TALK TO somebodya lot of talking that is difficult to understand, especially when several people are talking at the same time SYN babble a gabble of voicesExamples from the Corpus
gabble• A series of whoops came from round the pit, followed by a shout and a gabble of voices.• Words gushed out incontinently: a gabble, of which, alas, it was only too easy to make sense.• Then, from a long way off, I heard a high, laughing gabble, faint and coming closer.• When the reverberations ceased, the gabble of the audience also did.• the gabble of the audience before the showOrigin gabble1 (1500-1600) Perhaps from Middle Dutch gabbelen 