gabble1
/ˈɡæbl ˈगैब्ल्/ verb [T, I] ( informal ) to talk so fast that people cannot hear you clearly or understand you completely तेज़-तेज़ बात करना जो कि पूरी तरह समझ में नहीं आए; जल्दी और अस्पष्ट बोलना; बड़बड़ाना
He did not know anything about the project and started to gabble when asked questions.