n. Shortened form of Windows 2000, a new operating system from Microsoft that is expected to ship either in late 1999 or early 2000 (cf. Y2K).

Example Citation:
"You're ready for Y2K, but are you ready for W2K? Don't worry, the sky isn't falling. W2K is Windows 2000, the next version of Bill Gates's dominant operating system."
—Philip Albinus, "Buzzword of the Month," Home Office Computing

To Gareth Branwyn, Wired magazine's Jargon Watcher, for the head's up on this one.

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