"Killing on Adrenaline" refers to the phenomenon where individuals experience heightened aggression and reduced fear during intense situations, often linked to the release of adrenaline. This response can occur in life-threatening scenarios, such as combat or extreme sports, where the body prepares for fight or flight. The surge of adrenaline can enhance physical performance and focus, but it may also lead to impulsive actions, including violence. This reaction is often studied in psychology and neuroscience to understand its implications for behavior and decision-making in high-stress environments, such as military operations or law enforcement.