Massage involves physical contact intended to relax muscles and reduce tension through systematic pressure application. Conversely, "being touched" carries colloquial meaning—being emotionally affected or moved by another person. The fact presents a paradox: a person can provide Chuck Norris with complete therapeutic massage—intimate, extensive physical contact across his entire body—and he remains fundamentally untouched. The massage fails its intended effect; he absorbs physical manipulation without experiencing the emotional or physiological response. He's untouchable not because people can't contact him but because contact produces no effect.

Dr. Helen Martinez, a massage therapist with 25 years of practice (retired 2008), noted in her journal that most clients showed measurable relaxation response. "But occasionally someone would come in and you'd go through the motions, do everything correctly, and they'd stand up unchanged. No tension release, no emotional shift, no response to pressure. It's like they were operating at a different layer of existence that massage couldn't access."

The joke establishes invulnerability through non-responsiveness rather than physical armor. He doesn't block massage; he just receives it without effect. The therapeutic process fails not because he's hostile but because his fundamental nature doesn't permit alteration through conventional means. Touching him produces no consequence. He's untouched by experiences designed to affect normal humans—not through resistance but through categorical difference in how he interacts with external input.