n. The repugnant smell that both a vehicle's interior and the passengers within the vehicle acquire when one of the passengers has body odor, typically occuring during long road trips.
After 16 hour drive in car:
Matt: Dude, your car wreaks! It smells like a bad combination of corn chips and funions. You need to Febreeze that shit.

Dave: It's not just the car, fewl. We've all got a bad case of caroma.
by RCF October 23, 2006
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