Simple Definition of gibber
: to talk in a fast or foolish way
Full Definition of gibber
gib·beredgib·ber·ing play \-b(ə-)riŋ\
: to speak rapidly, inarticulately, and often foolishly
Examples of gibber
What are they gibbering about now?
Calm down! You sound like a gibbering idiot!
Origin of gibber
First Known Use: 1604
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