Definition of being done and dusted in the Idioms Dictionary. being done and dusted phrase. What does being done and dusted expression mean ? Definitions by the largest Idiom Dictionary. BE DONE AND DUSTED meaning : 1. to be complete and finished: 2. to be complete and finished: . Learn more. Learn the meaning and origin of the idiom " done and dusted ", which means that something is completed or finished with no room for further action or discussion. See examples, synonyms, and usage in pop culture and other languages. Done and dusted means finished or decided, with nothing more to be said or done . It is a mainly British expression that can be used in various contexts, such as an investigation, a match, or a situation.
