Noun
Someone who smears.
Someone who spreads a substance across a surface.
(derogatory) Someone who tries to damage another's reputation through slander or innuendo.
Synonyms: libeler, slanderer, vilifier
(derogatory) An unskillful painter.
Synonym: dauber
(Scotland, agriculture, historical) A worker employed to apply a tar-based salve to sheep to protect their skin during the winter.
(obsolete, derogatory) A person without skill or education who attempts to cure diseases.
Synonym: quack
Something used for smearing.
(electronics) A circuit used to eliminate the overshoot of a pulse.
Source: en.wiktionary.org