a lot like cabin fever, except that it is in a car. it is that point on a long road trip where you are about 8 red bulls down and have been driving for about 5 hours straight. symptoms include: eating cold chicken nuggets from 7 hours ago, you start singing the most ridiculous songs as loud as you can, you start talking to yourself, having conversations with siri on your iphone, and other random things.
random guy passing you: "man that guy is really going at it on them air drums."

his wife: " he must have carbon fever."
by alan68 February 03, 2013

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