-In the tv. show breaking bad the main. character named Walter white used the alias Heisenberg in order to anonymously make and sell drugs for his treatments and family welfare. As the show goes on Walter is slowly taken over by the 'Heisenberg' persona becoming colder and more brutal in his methods in his goal to building his drug empire until he becomes its largest villain. "Going full Heisenberg" means when a character. starting out with good intentions becomes an antagonist or villain over times as the plot progresses as they use increasingly brutal or cutthroat means to achieve their goals.

When you eat dirt for the first time and leave your family to build a shack in the woods