Force crazy was another of Darth Peanut's maddeningly idiotic Force powers. It has the same effect as Force fudgemallow has on victims, but without the yummy fudgy mallows, which totally defeats the purpose. All it does is make the victim go so crazy that it destroys you, your surroundings, anything that tries to stop it, and eventually, it gets so crazy about there being nothing left to destroy, it destroys itself. But you die first.
Better stick with the fudge marshmallows.