English

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Etymology

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yack +‎ -er

Noun

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yacker (plural yackers)

  1. (informal) One who talks at length.
    • 1961, Electronics world: Volume 65:
      Watch Those Lengthy Conversations: Stick to the 5-minute rule. How many times have you heard yackers say, "Well, I guess we've used up our five" when they've been talking for an hour.

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