to foam at the mouth
01
to become extremely furious about something
![to [foam|froth] at the mouth definition and meaning](https://cdn.langeek.co/photo/60628/original/angry?type=jpeg "to [foam|froth] at the mouth definition and meaning")
Exempel
She foamed at the mouth when she found out about the betrayal, expressing her anger with vivid and aggressive language.
02
*** (especially of an animal) to have a mass of small bubbles in and around its mouth, especially because it is sick or angry
