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1.
The period of time after your coffee is not too hot to burn your tongue but before it is too cold to be enjoyable.

IE: Coffee too Hot --- Golden Window -- Coffee too Cold
I hit the Golden Window during the Monday meeting, so it wasn't so bad.

You should hurry up and drink that down before you're out of the Golden Window.
by bearsbeetsbattlestargallactica November 20, 2010
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