Spānk'er, n.

noun

n. [Prov. Eng., a gold coin, from spang.]

A small coin. Derham.
[From spank.] (Naut.) The after-sail of a ship or bark, being a fore-and-aft sail, attached to a gaff,—formerly called driver. Totten.
One who takes long strides in walking; also, a stout person. [Eng.] Halliwell.
Something very large, or larger than common. [Colloq.] Smart.