slang

Slang is a casual type of language that is playful and trendy or used by a particular group of people. (noun)

An example of slang is saying something good is awesome.

See slang in Webster's New World College Dictionary

noun

Obsolete the specialized vocabulary and idioms as of criminals and tramps, the purpose of which was to disguise from outsiders the meaning of what was said: now usually called cant
the specialized vocabulary and idioms of those in the same work, way of life, etc.: now usually called shoptalk, argot, jargon
highly informal speech that is outside conventional or standard usage and consists both of coined words and phrases and of new or extended meanings attached to established terms: slang develops from the attempt to find fresh and vigorous, colorful, pungent, or humorous expression, and generally either passes into disuse or comes to have a more formal status

intransitive verb

to use slang or abusive talk

transitive verb

to address with abusive talk

transitive verb

Dialectal, Archaic sling

See slang in American Heritage Dictionary 4

(slăng)

noun

A kind of language occurring chiefly in casual and playful speech, made up typically of short-lived coinages and figures of speech that are deliberately used in place of standard terms for added raciness, humor, irreverence, or other effect.
Language peculiar to a group; argot or jargon: thieves' slang.

verb slanged, slang·ing, slangs

verb, intransitive