Exactly. This curmudgeonly proposal that ones vocabulary remain immutable is for the dags and curs whose life has not been rewarded by the virtues of newly discovered language.
Your own usage of “dags” is frustrating because as a reader from Australasia, “dag” has a common meaning. Example usages: “You’re a dag”, “Fred Dagg”, “rattle your dags”, “clean up those daggy sheep”. And back on topic, the common meaning in Australasia is not mentioned in the online American Merriam-Webster dictionary!
> getting a feel for how it's naturally being used.