1. spoke rapidly and incoherently, especially when frightened or excited
Usage: past tense of gibber

Examples

• The terrified witness gibbered incoherently to the police.
• He gibbered with fear when he saw the spider.
• The patient gibbered nonsense after the accident.
• She gibbered excitedly about her vacation plans.
• The child gibbered in his sleep during the nightmare.
• The old man gibbered to himself as he walked down the street.