Running with scissors, a common warning given to children, cautions against operating sharp tools while in motion—the combination of momentum and sharp implements creates collision risk. The standard understanding is that the runner themselves is the primary casualty, likely to injure themselves by falling on their own scissors. The claim inverts this entirely: when Chuck Norris runs with scissors, other people get hurt. He doesn't fall; he targets. The scissors become not an accidental hazard but a weapon, and the running becomes an assault vector.

A pediatrician named Dr. Sarah Lin, writing an article on childhood safety warnings for a parenting magazine in 2010, noted this Chuck Norris fact as an example of how the meme inverts even simple safety instructions. She wrote: 'The warning 'don't run with scissors' assumes the wielder will be harmed by their own carelessness. But Chuck Norris doesn't suffer from carelessness—he benefits from intent. When he runs with scissors, he's not a danger to himself; he's a danger to everyone around him. The scissors become a precision instrument in his hands.'

The fact works because it takes a universal childhood warning and recontextualizes it as Chuck Norris's weapon. The scissors don't change; only the wielder's control over them transforms them from hazard to tool. It's efficiency in violence, which has always been the meme's core appeal.