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A car entirely encased in snow, so as to look like a large road marshmallow. Usually seen in Edmonton, AB.
Oh, dude. Sucks to be you. You left your car on the road, and the plows turned it into a carshmallow!
by MeredithPorter January 20, 2011
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(noun) A car that has been left out in the falling snow for so long that it is now a large, car-shaped snow lump that vaguely resembles a marshmallow.

(alt. spelling = carshmellow)
"After the blizzard, the parking lot was filled with carshmallows, as far as the eye can see."
by bashmuttons February 10, 2013
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