See quotations. In New Jersey, a boats rope is fastened round the snubbin post: Dialect Notes, i. 334.
1846. I felt the cold nose of the captain of the band [of sharks] snubbing against my side.W. T. Porter, ed., A Quarter Race in Kentucky, etc., p. 37.
1853. A snubber, may it please the court, snubs the boat when she heaves to on the heel-path shore, and unships the whiffletrees in passing a lock.Weekly Oregonian, March 12: from an Albany, N.Y., paper.