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.
Random Dude 1: "So when's Star Citizen going to come out of Early Access?"
Random Dude 2: "When It's Done!"
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.
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".