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.

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