Slapdash v. t. To apply, or apply something to, in a hasty, careless, or rough manner; to roughcast; as, to slapdash mortar or paint on a wall, or to slapdash a wall. (Colloq.)
... amended. Is it decent, think you, to get tipsy with zeal for temperance, and take up the honorable cause of the Town Pump in the style of a toper, fighting for his brandy-bottle? Or, can the excellent qualities of cold water be not otherwise exemplified, than by plunging slapdash into hot water, and wofully scalding yourselves and other people? Trust me, they may. In the moral warfare, which you are to wage,—and, indeed, in the whole conduct of your lives,—you cannot choose a better example than myself, who have never permitted the dust and sultry atmosphere, the ... — A Rill From the Town Pump (From "Twice Told Tales") • Nathaniel Hawthorne