SLAPDASH

haphazard, slapdash, slipshod, sloppy

(adjective) marked by great carelessness; “a most haphazard system of record keeping”; “slapdash work”; “slipshod spelling”; “sloppy workmanship”

bang, slap, slapdash, smack, bolt

(adverb) directly; “he ran bang into the pole”; “ran slap into her”

slapdash, slam-bang

(adverb) in a careless or reckless manner; “the shelves were put up slapdash”

Source: WordNet® 3.1

Etymology

Adjective

slapdash (comparative more slapdash, superlative most slapdash)

Produced or carried out hastily; haphazard; careless.

Synonyms

• See also careless

Adverb

slapdash (comparative more slapdash, superlative most slapdash)

In a hasty or careless manner.

Directly, right there; slap-bang.

With a slap; all at once; slap.

Synonyms

• (in a hasty manner): carelessly, haphazardly, hastily

• (directly): directly

Verb

slapdash (third-person singular simple present slapdashes, present participle slapdashing, simple past and past participle slapdashed)

(colloquial) To apply, or apply something to, in a hasty, careless, or rough manner; to roughcast.

to slapdash a wall

Source: Wiktionary

Slap"dash`, adv. Etym: [Slap + dash.]

1. In a bold, careless manner; at random. [Colloq.]

2. With a slap; all at once; slap. [Colloq.] Prior.

Slap"dash`, v. t.

Definition: 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.] Halliwell.

Source: Webster’s Unabridged Dictionary 1913 Edition