Ragdoll Physics is a physics-based mechanism characterized by characters transitioning from pre-set animations to loose jointed components. These components tumble freely and react to gravity, impacts, and collisions. These forces are simulated in real time, which leads behavior to be unique and often unpredictable.
Ragdoll effects are most frequently seen when characters are Stunned or damaged. Most applications of this mechanic use it for comedic effect, although it can have gameplay implications.