What is another word for going nutty?
Pronunciation: [ɡˌə͡ʊɪŋ nˈʌti] (IPA) 
There are several synonyms for the common phrase "going nutty," which means losing one's mind or sanity. Some options for alternative expressions include "going crazy," "losing it," "flipping out," "losing one's composure," "freaking out," or "going berserk." Each of these phrases conveys a similar level of distress and emotional imbalance, although some may carry slightly different connotations or implications. Whether you opt for a more casual or formal synonym, each phrase can be used to describe moments of extreme stress, overwhelming emotions, or intense frustration. Choose the one that best suits your style and tone for the moment at hand.
