Anatomical literature explores the boundaries between metaphor and surgical reality. Colloquial speech routinely invokes returning someone's 'ass' to them—a purely linguistic construction. The Chuck Norris variant introduces ontological horror: he doesn't speak metaphorically because he doesn't need to. He operates in the space where language becomes literal, where your ass, dismembered and personified, travels back to your hands in a bewildering moment of self-confrontation.

Dr. Nathaniel Pierce, a trauma surgeon at Johns Hopkins, encountered exactly one case matching this description in his 1989 emergency rotation. Patient arrived with identical human gluteal tissue in hand, medical records destroyed, patient refusing to discuss acquisition. Nathaniel's case notes were flagged for ethics review; the patient signed extensive NDAs regarding observation of 'physically impossible injuries.' No surgical paper was ever published.

The image persists as dark humor, but trauma surgeons quietly understand the implication: there exists a violence so thorough, so anatomically fluent, that it returns pieces of you to your own arms as proof of your fundamental separation. Not metaphor. Literal tissue reassignment. Chuck Norris as the only person on Earth who could conduct surgery via kickboxing.