The act of growing
a pair & wrecklessly entering dangerous situations.
by the show Breaking Bad where Walter White
starts to become more of a badass as he delves further into crime & the drugs market.
Example of To Heisenberg
Telling a 6'5 giant
bald guy who would rip your
face off to ''stay off my territory''
Blow up a building with your
awesome chemistry skills
Do a long con on a major drug-lord
Set a car on fire whilst the owners back is turned
Run over drug dealers
& shooting them in the head if they survive