In a bold, careless manner; at random.

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.

marked by great carelessness; "a most haphazard system of record keeping"; "slapdash work"; "slipshod spelling"; "sloppy workmanship"

directly; "he ran bang into the pole"; "ran slap into her"

With a slap; all at once; slap.