This is a nice idea, but you know it will have both false positive and false negatives, much as "winne-the-poo" does not actually only refer to a drawing by E.H.Shepard.
But, I too would welcome something which quenched some stuff. I have wondered if some kind of post-hoc tagging would fix it but the mechanism to crowdsource trustable tags is .. hard and the burden on mods is high. That said, it could be done at submit times.
Inevitably, systems which start as !elon windup being full regex because <reasons>
