Bigwig (4) The expression is "top banana." "Top banana" is the leading person in a comedy show. The best comedian is called the top banana, the next is second banana and . Why a banana? Well, a comedy act in earlier days often included one of the comedians would hit the others over the head with a soft object shaped like a banana fruit. "Top banana" still is used mainly in show business. But the expression also can be used to describe the top person in any field.    ´Ù¶ô¿ø ÊÊ 'Voice of America'¿¡¼­ ¹ßÃéÇÑ ³»¿ëÀÔ´Ï´Ù.