This is the 18123rd most frequent Russian word.
хоррор
The Russian word "хоррор" means "horror" (a genre of fiction intended to scare or frighten).
The context demonstrates the genre of film or literature, used as a noun.
Я люблю смотреть хоррор на выходных.
I love watching horror on weekends.
Here 'хоррор' is used colloquially to describe something inducing horror, akin to an adjective or exclamation.
Этот новый фильм просто хоррор!
This new film is just horrifying!
In this case, 'хоррор' defines a specific genre, showing its usage within a literary context.