GO HAYWIRE, GO IT ALONE, GO OFF HALF-COCKED: American English Idioms #98
GO HAYWIRE The idiom “go haywire” translates to “to go wrong” or “to malfunction”. The term is most commonly used in the sense of one’s emotions, like when they are said to be “going haywire.” It is also used for objects that fail. For instance, if the electricity goes out, then it has gone haywire….