1. speaks rapidly and unintelligibly; talks in a confused or excited manner
Usage: third person singular present tense of 'gibber'

1. plural of gibber; a person who gibbers, or rapid unintelligible speech
Usage: informal; Australian slang: a boulder or stone

Examples

• He gibbers nervously whenever he has to speak in public.
• The excited child gibbers about her birthday party all day long.
• She gibbers incoherently after waking from the nightmare.
• The old man gibbers to himself while walking down the street.
• When nervous, he gibbers and loses his train of thought.
• The audience heard only gibbers and mumbles from the microphone.