Dictionary.net

• /dog'wosh/ (A quip in the "urgency" field of a very optionalsoftware change request, ca. 1982. It was something like"Urgency: Wash your dog first") A project of minimal priority,undertaken as an escape from more serious work. Many gamesand much freeware get written this way, including thisdictionary.

1985 - The Free On-line Dictionary of Computing
By Denis Howe