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1.
A meteorological phenomenon of a brief period of hot, sunny weather in autumn that occurs in the Northern Hemisphere after pretty much everybody thinks summer is already dead but instead it rises again in a less-desirable fashion.
Stupid Hippy: "Ahh I love me an Indian summer!"

You: "Shove it. These zombie summers piss me off. I already stored my jorts away for winter."
by pantsk October 11, 2010