dauber

transitive verb, intransitive verb

1. to cover or smear with sticky, soft matter, such as plaster or grease
2. to smear (plaster, grease, etc.) on
3. to paint coarsely or unskillfully

Origin: ME dauben < OFr dauber, to whiten, whitewash < L dealbare, to whiten, whitewash < de-, intens. + albus, white: see album

noun

1. anything daubed on
2. a daubing stroke or splash
3. a poorly painted picture