A horror novel written by Stephen King, in which a woman and her four-year-old son are terrorized by a rabid St Bernard named Cujo. The novel was adapted into a film in 1983. The name "Cujo" is frequently used in popular culture as a generic term in reference to a psychotic, violent or imbalanced dog.
Dean: I’d say Kurt’s looking more and more like our Cujo
The babysitter Amber is watching the 1983 horror film Cujo.
Dean: So what, he causes so much misery that some dog goes Cujo on him from beyond the grave?