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1.
The Nickelback rule is to be invoked whenever a jukebox playing random songs inadvertently stumbles upon a Nickelback tune. The rule requires a listener to immediately insert money into the jukebox so as to hastily dispatch the aforementioned Nickelback "song."
Wayne: Hey man, you got a dollar?
Dan: Why?
Wayne: "Rockstar" just came on, Nickelback rule is in effect.
by BGRM January 03, 2008