To kiss the gunner’s daughter; to be tied to a gun and flogged on the posteriors; a mode of punishing boys on board a ship of war.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Gundiguts * GunpowderNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes