Most people get it: You need a caravan to fit your kids, or it’s your first car and you could only afford your uncle’s beat-up old vehicle. But deep down, you wish you really drove something else — and maybe that “something else” isn’t even an automobile at all. Whether you dream of owning a better car one day or your occupation or hobby means you spend a lot of time on another vehicle — a plane, a tractor, or a motorcycle, for example — make people laugh by getting the “my other car is a…” joke on your vehicle in a few clever, affordable ways.