Yell bloody murder.
[Idiom] YELL BLOODY MURDER. - Learn Effective Ways to Express Extreme Emotions
Scream very loudly and hysterically.
To "yell bloody murder" means to scream or shout very loudly and hysterically. This can be due to fear, anger, or pain. For instance, if someone yells bloody murder when they see a spider, they are reacting in an extremely frightened and vocal manner exaggerated compared to the actual threat.
Example Sentences
She yelled bloody murder when she saw the spider.
She screamed loudly when she saw the spider.
If you try to take away his video games, he'll yell bloody murder.
If you try to take away his video games, he'll scream loudly in protest.
During the haunted house tour, they heard someone yell bloody near death threats and screamed frightfully in response.
During the haunted house tour, they heard someone screaming loudly in fright.