Spanker

n.	1.	One who spanks, or anything used as an instrument for spanking.
	2.	(Naut.) The after sail of a ship or bark, being a fore-and-aft sail attached to a boom and gaff; - sometimes called driver. See Illust. under Sail.
	3.	One who takes long, quick strides in walking; also, a fast horse.
	4.	Something very large, or larger than common; a whopper, as a stout or tall person. Spanker boom (Naut.) a boom to which a spanker sail is attached. See Illust. of Ship.
	1.	A small coin.

Noun	1.	spanker - a hitter who slaps (usually another person) with an open hand; "someone slapped me on the back and I turned to see who the slapper was"; "my father was the designated spanker in our family" Synonyms: slapper
	2.	spanker - a fore-and-aft sail set on the aftermost lower mast (usually the mizzenmast) of a vessel

hitter, larrup, paddle, slapper, spank, striker