The premise is a complex hypothetical involving simultaneous threats (someone shooting at you) and Chuck Norris's intervention timing. He supposedly would: kill you five times (theoretically redundant), kill your would-be shooter, and accomplish all of this before the shooter's bullet leaves the barrel. This compresses multiple deaths and a murder into a time frame shorter than projectile velocity allows, creating a temporal paradox where Chuck Norris's actions occur in negative time.

A physics professor from MIT supposedly used this fact as an example of "causality violations in humor" and noted that "if we accept the premise as literally true, we've entered a universe with backwards causation."

Online physics communities debated the semantics: "If Chuck kills you before you're shot, did you die to him or to the shooter? Asking for epistemological reasons."