go bananas
发疯，发狂
口语·形容极度兴奋或疯狂
英文释义
to become extremely excited or crazy
例句
The crowd went bananas when the band finally came on stage.
典故来源
20世纪美国俚语，'bananas'形容像猴子一样兴奋疯狂，猴子爱吃香蕉。