slapdash

Hasty and careless, as in execution.

In a reckless haphazard manner.

In a sudden, offhand, abrupt, random, or headlong manner; abruptly; suddenly; all at once.

Dashing; offhand; abrupt; free, careless, or happy-go-lucky; rash or random; impetuous: as, a slap-dash manner; slap-dash work; a slap-dash writer.

A composition of lime and coarse sand, mixed to a liquid consistency and applied to exterior walls as a preservative; rough-casting; harling.

The outside plaster filling of a half-timbered house, between the beams.

Offhand, careless, happy-go-lucky, or ill-considered action or work.

Violent abuse.

To do in a rough or careless manner.

To rough-cast (a wall) with mortar.