From Longman Dictionary of Contemporary Englishgo crazygo crazyto do something too much, in a way that is not usual or sensible, especially because you are excited Don’t go crazy and spend it all at once. → crazy
Examples from the Corpus
go crazy• I didn't need to go crazy.• My boss told me to leave, and 1 went crazy.• The Star Council had gone crazy.• To have it happen here, see the fans go crazy.• You have to maintain a balance or else you go crazy.• The world was going crazy and, or so it seemed, Trumptonshire would have none of it.• They went crazy, making all that money.• You go crazy with the frustration and throw a bad punch and take his counter in your mouth or solar plexus. 