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1.
A parked vehicle concealed from view by the positioning and/or size of objects, often other vehicles, in front of it. The vehicle is abruptly revealed after a certain distance.

Not to be confused with automobiles that can actually conceal themselves via electronic countermeasures.
Wait, hold on, the space up there's clear, an---GODDAMNIT! Fucking stealth cars.
by Gerk March 04, 2009