Diagram showing how the action is performed Kanchō (カンチョー) is a prank performed by clasping the hands together in the shape of an imaginary gun and attempting to poke an unsuspecting victim's anus, often while exclaiming "Kan-CHO!".[1] It is a common prank among children in East Asian countries such as Japan.[2] In Korea, it is called ddongchim (Korean: 똥침).[3][4] In China, it is popularly called
