[f. SPANK v.2] The action or fact of spanking or moving along rapidly and sharply.
1801. trans. Gabriellis Myst. Husb., III. 286. Having got her between me and Madame we dashed off full spank.
b. A quick or smart bound or leap.
1882. in Jamiesons Sc. Dict.
1886. B. Brierley, Cast upon World, i. 10. A spank from the speer that seemed to have the lithesomeness of a deer-bound.