Top Definition
Heat Death is a theory on the subject of the possible ways the universe could end. The theory states that the universe will come to a constant speed through all atoms and matter, eventually all things will stand still and slowly die out.
"GEE I REEEAAALLLYYY HOPE THE UNIVERSE DOESNT COME TO A SUDDEN STOP AND SLOWLY DIE"
"isn't that heat death?"
by HiddenTides November 27, 2015

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