Undocumented Feature
Noun Phrase · Slang & Abbreviations
Definitions
A joking euphemism for a bug or unexpected behavior. In engineering slang, calling something an undocumented feature softens the pain while still admitting reality.
In plain English: A joking way to describe a bug or unintended behavior.
Example: "The duplicate email issue was not a product differentiator, just an undocumented feature of the retry loop."