Foam at the mouth Meaning in English
expression
Definition
Literally, to have foam or froth come out of the mouth, often due to illness like rabies. Figuratively, it means to be extremely angry or furious.
Usage & Nuances
This expression is formal when describing medical symptoms, but informal or dramatic when used figuratively to describe anger. The idiom "foam at the mouth" is common in literature and speech to show someone is furious. Do not confuse with simply being angry—it suggests uncontrolled, visible rage.
Example Sentences
The dog was so sick it started to foam at the mouth.
basic
If you see someone foaming at the mouth, get help right away.
basic
When he gets angry, it almost looks like he will foam at the mouth.
basic
After reading that email, I was so mad I could foam at the mouth.
natural
Don’t talk to him about taxes unless you want him to foam at the mouth.
natural
The fans began to foam at the mouth when their team lost the game.
natural