Find the word definition

Longman Dictionary of Contemporary English
horror story
noun
EXAMPLES FROM CORPUS
▪ But it couldn't have come at a worse time, given that their volatile relationship has turned into a horror story.
▪ Tell us your medical horror story.
▪ The tie-up had been a favorite horror story that Jemmalee enjoyed telling to Carol when Carol was beginning to under-stand tyranny.
▪ This true-life horror story coming out of Los Angeles a few years back became an instant media sensation.
Wiktionary
horror story

n. 1 A fictional narrative of distressing events. 2 A bad experience.

Wikipedia
Horror Story (film)

Horror Story is a Bollywood dramatic horror film written by Vikram Bhatt and directed by Ayush Raina. The film stars Ravish Desai, Hasan Zaidi, and features the Bollywood movie debut of noted television actor Karan Kundra. The film was released on 13 September 2013. The plot revolves around a night spent by seven youngsters at a haunted hotel.The film received positive reviews and was successful at the box office. The film is based on the Stephen King short story 1408.

Usage examples of "horror story".

Recently I noticed that the very people who swallowed any and every horror story about the Japanese in Nanking in 1937 refused to believe exactly the same stories about Hong Kong in 1942.

I suppose I was expecting a classic setting for a horror story, but that idea was dispelled the moment we walked through the gate to the wing of the mansion that was still kept up.

Really, Tony should not have been able to tell me a horror story while he was on my couch under hypnosis.

That stuff is, the pipe dream of an ignoramus, making up a horror story and doing a bum job.

All that she had seen, the jungle, the magnificent city, and now this bleak stone dungeon out of a bad horror story, swirled in front of her mind's eye, but she could make no sense of them.

Renie shook her head and sniffed, ashamed to have lost control in front of these near-strangers, but if she could no longer feel those physical things that connected her to RL, then she could not leave this horror story, no matter how bad it got.

Nevertheless, only the last of the Bachman books is an outandout horror story, and the fact hasn't escaped me.