What is another word for going kooky?
Pronunciation: [ɡˌə͡ʊɪŋ kˈuːki] (IPA) 
Going kooky is a colloquial expression that describes when someone acts in an eccentric, odd or bizarre way. There are several synonyms for this phrase that can be used depending on the context. For instance, one can say that someone is going off the deep end, losing their marbles, acting weird, acting crazy or going bananas. These synonyms basically mean the same thing, but they provide a slightly different nuance to the expression. Going kooky can also be used interchangeably with other slang words such as going nuts, going bonkers and losing it. All these variations are used to describe someone who is exhibiting abnormal behavior or is acting in a strange and unconventional way.
