v. Sc. and north. dial. [Echoic: cf. YAFFLE v. and WAFF.] intr. To bark, yelp; also, to prate, nag. Hence Yaffing vbl. sb. and ppl. a.; also Yaff sb., a bark or yelp.

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1609.  Ravenscroft’s Deuteromelia, 21. With all the hounds at her tail! With ‘yeaffe a yaffe! yeaffe a yaffe!’

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1808.  Jamieson, To Yaff,… 1. To bark,… to yelp… 2. To prate, to talk pertly.

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1815.  Scott, Guy M., i. Will ye no let me hear what the man wants, wi’ your yaffing?

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1844.  G. J. Pennington, Pronunc. Gk., 22. A yaffing cur.

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1910.  G. J. Laurie, in Poets of Ayrshire, 205.

        He’ll row for fun amang the snaw,
  And syne yaff at the moon.

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