go crazy
1. To become mentally unstable. Typically used hyperbolically. I'll end up going crazy if I have to work in this cubicle for one more day! They say the old man went crazy after being attacked by a wolf.
2. To act in an excited, uninhibited manner; to go wild. The audience went crazy when the special guest took the stage. The kids go crazy when we play that game.
go crazy
and go nutsto become crazy, disoriented, or frustrated. It is so busy here that I think I will go crazy. Bob went nuts because his car got a flat tire.