sb. Sc. Also yowff, youf(f. [Echoic.] A smart swingeing blow. Hence Yowf v. trans., to strike with such a blow.
1711. Ramsay, On Maggy Johnstoun, vii. Death wi his rung raxd her a yowff.
c. 1738. J. Skinner, Christmas Baing, ii. They yowffd the ba frae dyke to dyke.
1808. Jamieson, Youff, Yowff, a swinging blow, Loth.