foam at the mouth

idiom

Definition of foam at the mouth

1 : to produce foam from the mouth because of illness or excitement The dog was foaming at the mouth.
2 informal : to be very angry about something He was foaming at the mouth with rage.

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Cite this Entry

“Foam at the mouth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/foam%20at%20the%20mouth. Accessed 29 Nov. 2020.

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