Meaning of the word "scream blue murder" in English

What does "scream blue murder" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

scream blue murder

US /skriːm bluː ˈmɜːrdər/
UK /skriːm bluː ˈmɜːdər/
"scream blue murder" picture

Idiom

to shout or complain very loudly and angrily, especially when you are in pain, frightened, or very annoyed

Example:
When she saw the spider, she started to scream blue murder.
If you try to take his toy, he'll scream blue murder.