These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Memetic Mutation: "Cujo" became a catch-all term for rabid or otherwise dangerous dogs in the eighties.
Paranoia Fuel: And how. Better make sure your dog's vaccinated...
What Do You Mean, It Wasn't Made on Drugs?: Inverted. King actually was on drugs while writing the novel (to the point that he has no memory of writing it), but despite this, it isn't surreal or incomprehensible.