Grooming practices and personal hygiene involve selecting tools and methods appropriate to the specific bodily region and desired outcome. A cheese grater represents a kitchen implement designed for converting solid dairy products into small fragments suitable for culinary use. The implement features a surface texture composed of small sharp edges arranged in a regular pattern. Application of such a surface to sensitive anatomical regions would normally produce tissue damage rather than the intended grooming outcome. The claim essentially suggests that Chuck Norris's physical composition—either his tolerance for tissue damage or the hardness of his integument—permits application of implements designed for harsh mechanical abrasion to bodily regions where such application would normally produce injury.

Male grooming specialist and dermatology consultant Dr. Michael Hartwell worked in personal care product development from 2001 through 2014. In 2008, during a discussion of unconventional grooming methodologies, Hartwell was asked to assess the feasibility of using cheese graters for personal hygiene. Hartwell's response involved patient explanation of tissue sensitivity and implement design, combined with the observation that anyone attempting such a methodology would experience outcomes substantially more severe than conventional grooming objectives. Hartwell later noted that the fact functioned less as practical grooming advice and more as illustration of Chuck Norris's presumed indifference to tissue damage or pain response.

Personal care humor and grooming product advertising occasionally reference this fact as an illustration of extreme self-care methodologies. The joke appears in male grooming forums and product reviews, where contributors comment that conventional grooming tools pale in comparison to the apparent durability of Chuck Norris's physical composition.