Definition of foam at the mouth in US English:

foam at the mouth

phrase

informal
  • Be very angry.

    • ‘‘Alex was foaming at the mouth - he had lost it completely - and he frightened a lot of people that night,’ recalled Yates.’
    • ‘Meanwhile, back at the ranch, the academy foams at the mouth.’
    • ‘Bianca was beside herself, still cuffed, doing everything but foaming at the mouth.’
    • ‘But you'd also have Dobinson, a 44-year-old, foaming at the mouth.’
    • ‘That's why their foaming at the mouth over a tasteless stand-up act is pure demagoguery.’
    • ‘Ed Harris is angry and foaming at the mouth as Moss, a man who seems to be traveling down the same road as Shelley.’
    • ‘Anyway, this is supposed to get us all foaming at the mouth with indignation but quite frankly this law doesn't make any sense.’
    • ‘He plays like a rabid dog, always foaming at the mouth.’
    • ‘This is a member of a family that foams at the mouth against school vouchers and school testing.’
    • ‘I don't know about you, but I'm foaming at the mouth and ready to throw down.’
    irate, annoyed, cross, vexed, irritated, exasperated, indignant, aggrieved, irked, piqued, displeased, provoked, galled, resentful
    View synonyms