foam

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foam at the mouth

1. Literally, to produce foam from one's mouth, as due to a disease or other ailment. All of a sudden she collapsed in a fit, convulsing and foaming at the mouth.
2. Figuratively, to be viciously and uncontrollably angry or upset. The protesters had formed outside the courthouse, foaming at the mouth as the alleged murderer made his way up the steps.
See also: foam, mouth

foam up

To achieve a foamy, sudsy, or frothy consistency. The soap started to foam up once I mixed it with water.
See also: foam, up

foam at the mouth

 
1. Lit. to create froth or foam around the mouth, as with some diseases. The poor dog was foaming at the mouth and looked quite dangerous. What does it mean when a cow foams at the mouth?
2. Fig. to be extraordinarily angry. She was almost foaming at the mouth when she heard about the cost of the car repairs. Walter was foaming at the mouth with rage.
See also: foam, mouth

foam up

[for something, such as soap or milk] to make foam or lather. Milk will foam up when it is boiled. The boiling soup foamed up and slopped over the pot.
See also: foam, up

foam at the mouth

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]
See also: foam, mouth

foam at the mouth

or

froth at the mouth

1. If someone foams at the mouth or froths at the mouth, they are very angry. Stewart was still foaming at the mouth about the incident when we spoke. The mere mention of `political correctness' is enough to cause journalists to froth at the mouth.
2. If someone foams at the mouth or froths at the mouth, they are very excited about something. The news that the team's top player is up for sale at the end of the season has got Premier League bosses foaming at the mouth in excitement. A new vintage home store has got A-list celebrities frothing at the mouth with excitement. Note: To foam or froth at the mouth literally means to produce a lot of foam or froth in the form of saliva. This is associated especially with having the disease rabies.
See also: foam, mouth

foam at the ˈmouth

(informal) be extremely angry: He stood there foaming at the mouth. I’ve never seen anybody so angry.
If an animal foams at the mouth, it has a mass of small bubbles in and around its mouth, especially because it is very ill or angry.
See also: foam, mouth

foam up

v.
To become more foamy: Shaving cream foams up when you spray it from the can.
See also: foam, up

foam

n. beer. All the guy thinks about is foam.
References in periodicals archive ?
BA20 for PP, PE, PS, PPE alloys, and ABS foamed at 380 to 440 F.
BA205PT for nylon, polyester, PC, and PPE alloys foamed at 440-540 F.
The foamed EAs have a closed cell structure which is maintained as the melt cools.
Not only do chemically foamed EAs give performance which is equivalent to some thermoset rubber foams, but such materials may now be considered for extrusion applications where dense EAs are marginally too expensive compared to dense thermoset rubber.
Silicone elastomers - whether solid or foamed and whether RTV adhesive/sealants, liquid-injection-molded elastomers or heat-cured rubber products - offer designers a number of performance, design and manufacturing benefits that organic competitors cannot.
A comparison of foamed elastomeric alloy 67 Shore A hardness grade to conventional thermoset foamed EPDM is shown in table 1.
Use of CBAs for rotomolding foamed parts began in the early 1980s.
One of the earliest foamed films, made since the 1970s, is shiny ribbon.
The earliest known foamed and over a dozen processors already foam wood-fiber composites and an equal number are experimenting with it.
Now, for the first time in years, new foamed PET products are in R&D, including thicker sheet with higher densities and thinner films with very low densities.
Soon after Genpak LLC launched its line of CPET trays for commercial baking in the early 1990s, the firm chose foamed PET as its next R&D target.