Meaning of the word "cry foul" in English

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

cry foul

US /kraɪ faʊl/
UK /kraɪ faʊl/
"cry foul" picture

Idiom

1.

to complain about unfair treatment or a violation of rules

Example:
The losing team began to cry foul, claiming the referee made biased calls.
Whenever he doesn't get his way, he tends to cry foul.
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