foam at the mouth
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Be extremely angry, as in She was foaming at the mouth over the judge's ruling. This hyperbolic term uses the verb foam in the sense of “froth at the mouth,” a usage generally applied to animals such as horses and dating from about a.d. 950. [1400s]
QUIZ
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known as…
Words nearby foam at the mouth
FNMA, f-number, Fo, foal, foam, foam at the mouth, foamed metal, foamed plastic, foamflower, foam glass, foam rubber
The American Heritage® Idioms Dictionary
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How to use foam at the mouth in a sentence
As for Kathleen, she has to date received 12,000 (quite literally) foam-at-the-mouth hate-emails.