Going bananas is an idiom that was originally coined in the United States. An idiom is a word, group of words or phrase that has a figurative meaning that is not easily deduced from its literal meaning. We will examine the meaning of the idiom going bananas, where it came from and some examples of its use in sentences.
Going bananas means going crazy, becoming insane. It may also mean to go wild with anger, or to erupt with enthusiasm with accompanying cheering. The term going bananas is not as old as one may think, it has its roots on American college campuses in the 1960s. It is believed that the term going bananas is a term that evolved from the idiom going ape, which also means to go crazy, to explode with anger or to erupt with enthusiasm. The close association of apes and monkeys with bananas in the Western imagination probably gave rise to the term going bananas. For a brief time in the 1930s the term going bananas referred to someone who was sexually perverted, but that meaning has long fallen by the wayside. Related phrases are go bananas, goes bananas, went bananas.
So Claire Krueger going bananas to the tune of 20 points against the Sailors (0-18) was a wonderful sign as the Huskies won their second game in a row. (The Vail Daily)
SMALL business owners are going bananas over soaring power bills, saying the escalating costs are making it harder and harder to turn profits. (The Herald Sun)
Some of his decisions lately have been really strange and had it been any other manager, the fans would have been going bananas by now. (The Evening Standard)