Definition of "yackety-yak" []

• Slang Prolonged, sometimes senseless talk. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Whew, that was a lot of yackety-yak on my part ... but then, I have much to talk about after a long break."
• "They lapsed into a long pondering silence at the board, then started talking at once, yackety-yak together."
• "Left were the portly, graying bartender, a youngish, blonde waitress of hardbitten looks adding up her tabs, and a yackety-yak goodfella talking a blue streak at the end of the bar."