go bananas

== English == === Etymology === From bananas (“crazy”). === Pronunciation === === Verb === go bananas (third-person singular simple present goes bananas, present participle going bananas, simple past went bananas, past participle gone bananas) (idiomatic, informal) To get angry; to go mad. (idiomatic, informal) To become silly or excited; to go crazy. ==== Synonyms ==== go ape go nuts ==== Translations ====