Examples:

• You've come with the horse foaming at the mouth.
• I mean, he doesn't fall to the ground foaming at the mouth.
• When he heard this, Ludendorff suffered a fit, collapsing to the floor, foaming at the mouth.
• Like, I remember one day I found my dad convulsing, foaming at the mouth, OD-ing on the bathroom floor.
• This debate should be conducted jointly with our colleagues in the national parliaments without prejudice and with less foaming at the mouth than is evident in some capital cities and commentaries.