Assmobile

An overdone custom car/van that can barely drive properly due to its customizations.

A car or van that appears to have a driver incapable obey the rules of the road.

A vehicle that is driven with no regard for public or passenger safety.

Man, when that assmobile was passing I could barely hear myself think.

Hey did you see the assmobile wrapped around that tree?

Wey, that assmobile nearly hit that person on the pavement!