Originally used by 3D Realms as the "release date" for the game Duke Nukem Forever, it basically just translates to either "we don't know yet" or can be jokingly used in the context of indefinitely delayed/Early Access games.
When a project or product is in the developmental stages. It has no set time line given, and is a work-in-progress. The moment the finished project or product has been finalized, then that is when it has been completed. It will be done.
The game is a work-in-progress. It's done when it's done. DWD. That will be when you can buy it from the shelves or marketplace.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi