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The act of aiming only to wreck/spinning out the first place person in a racing video game; much like the spiked shell from Mario Kart. Often frowned upon and seen as immature.
John: Me and Mike spent all last night spiked shelling in Grid. We almost took out the whole field, one by one.

Greg: You're a douche. Grow up.
by Jerry the Racecar Driver October 20, 2009
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