Select the most appropriate meaning of the given Idiom:-

Foam at the mouth 

To be very angry

The most appropriate meaning of the idiom "foam at the mouth" is to be very angry. The idiom comes from the idea of someone being so angry that they start to foam at the mouth, like a rabid dog. In a figurative sense, to say that someone is "foaming at the mouth" means that they are very angry and that they are likely to say or do something irrational.

The other options are not as accurate descriptions of the meaning of the idiom. Effects of a Snake bite is not the same as foaming at the mouth. Shouting loudly is not the same as foaming at the mouth. Poorly received is not typically associated with the idiom "foam at the mouth."