Opposite of a stale green light.

This is when you're approaching an intersection and the light for your direction has been red for a considerable amount of time. With expectations of it becoming green very soon, you do not brake or plan to stop, and rely on it becoming green by the time you get there.
-"Dude, slow down, there's a red light."
-"Relax, it's a stale red light, it'll be green by the time we get to the intersection... probably"
by The Luke Man August 25, 2009
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