The most simple, yet complex language, with an estimated 1,400,000,000 speakers worldwide. The language is used via one word - honk, with meaning derived from context. A loud honk at a green light typically expresses anger at a driver for not going fast enough, while a soft honk at a pedestrian is usually a polite request to walk faster.
Car 1: HONK!!!
Car 2: Honk?
Car 3: HOOOOOOOOOOOOOOOOOOOONK!!!
News reporter: That there is a demonstration of Car-Horn-Ese