Kancho

thumb|Illustration of how kanchō is performed

is a prank performed by clasping the hands together in the shape of a finger gun and poking the anus of an unsuspecting person, often while exclaiming "Kan-cho!" It is a common prank in East Asian countries such as Japan. In Korea, it is called (, ), and in China, (). The word "kanchō" is a slang adoption of the Japanese word for . In accordance with widespread practice, the word is generally written in katakana when used in its slang sense and in kanji when used for enemas in the medical sense.