To revoke or remove one's access to their automobile.
John got caught drinking at Prom, so his dad carstrated him.
by eatchit April 2, 2009
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The act of removing the metal testicles that are hung from the back of a vehicle.
"While Jackos in the liquor store buying alcohol, we'll give his ute a carstration!"
by Z7878 February 7, 2010
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