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Noun. Said of a WiFi connection that seems to have a 3-bars signal, but in fact, it has only one bar, or even none. A FWFS-affected connection typically takes forever to load a website, and when it finishes, it goes HTTP 404.
John: Yay, free WiFi!
Steve: Don't select that connection, it has the Fake WiFi Syndrome!
by WM3DAS November 16, 2013