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.