"Chinese fire drill" is a slang term for a situation that is chaotic or confusing, possibly due to poor or misunderstood instructions.
The term goes back to the early 1900s, and is alleged to have originated when a ship run by British officers and a Chinese crew practiced a fire drill for a fire in the engine room. The bucket brigade drew water from the starboard side, took it to the engine room, and poured it onto the 'fire'. To prevent flooding, a separate crew hauled the accumulated water from the engine room, up to the main deck and heaved the water over the port side. The drill had previously gone according to plan until the orders became confused in translation. The bucket brigade began to draw the water from the starboard side, run over to the port side and then throw the water overboard, bypassing the engine room completely. Additionally, the term is documented to have been used in the U.S. Marine Corps during World War II, where it was often expressed in the phrase "as screwed up as a Chinese fire drill". It was also commonly used by Americans during the Korean War and the Vietnam War.
Historians trace Westerners' use of the word Chinese to denote "confusion" and "incomprehensibility" to the earliest contacts between Europeans and Chinese people in the 1600s, and attribute it to Europeans' inability to understand and appreciate China's radically different culture and world view. In his 1989 Dictionary of Invective, British editor Hugh Rawson lists 16 phrases that use the word Chinese to denote "incompetence, fraud and disorganization".
Other examples of such use include:
The term has been used for more than a century.
The term is also used to describe an American college prank (also known as red-light green-light) performed by a vehicle's occupants when stopped at a traffic light, especially when there is a need to swap drivers or fetch something from the trunk. Before the light changes to green, each occupant gets out, runs around the vehicle, and gets back inside, but not necessarily in their original seats. If one of the participants lags, the others may drive off without him or her.