foam at the mouth
The phrase "foam at the mouth" is a figurative expression used to describe someone who is extremely angry, agitated, or in a state of intense excitement. It is derived from the observable behavior of certain animals, particularly dogs, when they become overwhelmed or highly aroused, resulting in saliva accumulating and frothing around their mouths. In a human context, it implies someone having an exaggerated or uncontrollable emotional reaction.
An idiom is a phrase or expression that usually presents a figurative, non-literal meaning attached to the phrase. Does that sound fun? It can be!
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