- shrill, noisy, or foolish talk.
- the mouth: Keep your yap shut.
Origin of yap
OTHER WORDS FROM yapyapper, nounyap·ping·ly, adverbyappy, adjective, yap·pi·er, yap·pi·est.
Other definitions for yap (2 of 2)
How to use yap in a sentence
Wouldn't even pay attention to the packs of feral Iraqi hounds that yap and howl all through the night when people walk by.Marine First Lieutenant Nathan Krissoff’s Last Letters Home From Iraq|Matt Pottinger|May 26, 2013|DAILY BEAST
This "yap" passes for "yes," no doubt—although it isn't quite the way Mr. Webster would say it, perhaps.The Adventures of a Grain of Dust|Hallam Hawksworth
Near me was a dog hole; its owner climbed up to peep out; in a minute or so he retired without a bark or a yap.Watched by Wild Animals|Enos A. Mills
The island of Yap, which has been in the press so much of late, is an example.The Pacific Triangle|Sydney Greenbie