(dated, fandom slang) A fan of science fiction.

plural of slan

(dated, fandom slang) Science fiction fans are more intelligent and more creative than other people.

Language outside of conventional usage and in the informal register. / Language that is unique to a particular profession or subject; jargon.

(transitive, dated) To vocally abuse, or shout at.

(archaic) simple past tense of sling

(UK, dialect) Any long, narrow piece of land; a promontory.

(UK, obsolete) A fetter worn on the leg by a convict. / (UK, obsolete, slang) A counterfeit weight or measure. / (UK, obsolete, slang) A travelling show, or one of its performances.

(transitive, African-American Vernacular, MLE) To sell (especially illegal drugs).

(of something said) Both untrue and harmful to a reputation.