A false or unsupported, malicious statement (spoken, not written), especially one which is injurious to a person's reputation; the making of such a statement.

To utter a slanderous statement about; baselessly speak ill of. / (Internet) To poke fun at a certain group of people

A thin, narrow strip or bar of wood (lath), metal, or plastic.

To construct or provide with slats. / To slap; to strike; to beat; to throw down violently. / (Britain, dialectal) To split; to crack. / To set on; to incite.

a killer; a murderer; someone who slays

(transitive) To satisfy (thirst, or other desires). / (transitive) To cool (something) with water or another liquid.

(transitive, Scotland) To besmear.

(Scotland) A sloppy mess.

Waste material from a mine. / Scum that forms on the surface of molten metal. / Impurities formed and separated out when a metal is smelted from ore; vitrified cinders.

(transitive) To produce slag. / (intransitive) To become slag; to agglomerate when heated below the fusion point. / (transitive) To reduce to slag.