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Definition 2024

yackety ‎(comparative more yackety, superlative most yackety)

(informal) talkative, garrulous
- 2009, David L. Thomas, A Teacher's Gift (page 33)
  I don't remember why I was in such a yackety mood. My mouth was obviously going much faster than my brain's ability to keep up!
- 2009 March 25, Dwight Garner, “Dispatches From the Streets: The Grim Particulars of Homelessness”, in New York Times:
  But Mr. Eighner was such an agreeably yackety companion that his plight sometimes felt abstract.