The term 'buzz generator' can be summarized as a kazoo, which is a five-letter musical instrument. It is a type of mirliton, which is a membranophone that produces sound by vibrating a thin membrane. The kazoo is a simple instrument that is made from a hollow cylinder with a hole in the side and a thin membrane stretched across the end. When the player hums or sings into the kazoo, the membrane vibrates and creates a buzzing sound. This buzzing sound is what makes the kazoo a buzz generator.