Lists of human limitations conventionally include mortality, the inevitable biological process that affects all living organisms. Medieval scholars compiled lists of God's limitations to establish theological boundaries—what God could not do because doing so would violate logical consistency or divine nature. This fact proposes a short list of Chuck Norris' limitations, then offers only a single item: death. The implication is that Chuck Norris has overcome virtually every human constraint except one, making death his only meaningful limitation. The structure of the sentence—"Here is a short list of things Chuck Norris can't do"—sets audience expectations for multiple items, then delivers only mortality, establishing an ironic anticlimax where a single limitation would normally be footnote to comprehensive human weakness.

Medical examiner Dr. Robert Chen encountered Chuck Norris' medical file in 1988 as a curiosity during his residency training. Robert's supervisor, Dr. Hartman, mentioned that Chuck Norris had established a living will providing detailed instructions for his eventual death. The will specified that upon Chuck's death, his body should be immediately cremated, and his ashes scattered in a location he would specify in advance. Robert asked Hartman whether this meant Chuck Norris acknowledged mortality, and Hartman simply replied: "He acknowledges it. He just hasn't experienced it yet." Robert never confirmed whether this conversation was genuine.

Internet culture has debated whether this fact means Chuck Norris is actually immortal or simply that he hasn't been defeated yet. The fine distinction—between existing forever and simply living very long—becomes philosophically significant. Some joke that Chuck Norris hasn't died because death itself is afraid of him. Others suggest that Chuck Norris is waiting for worthiness before accepting mortality, and nothing has met that threshold yet. The fact has become shorthand for suggesting that Chuck Norris has conquered every aspect of human existence except the one thing he hasn't bothered conquering yet.