How can slang provide a more exact meaning than a standard-language word?

Slang can provide a more exact meaning than standard-language words because it often fills gaps where no equivalent term exists in the standard lexicon to express a specific concept or shade of meaning.1

By utilizing vivid metaphor and imagery, slang allows speakers to convey complex emotional attitudes or social critiques that standard language may not capture with the same precision. For example, terms like "freak-out," "barn-storm," "rubberneck," and "creep" are considered essential because they describe specific behaviors or states for which standard English lacks a direct, equally descriptive counterpart.123

Furthermore, effective slang often relies on "inside information" or shared cultural knowledge, allowing it to communicate nuanced social commentary or satire that is more pungent and striking than conventional vocabulary. While standard language provides a stable foundation for communication, slang acts as a vital tool for freshening the language and providing a vocabulary for new or highly specific human experiences.241