froth up

froth up

1. To form into a foamy lather. How much heat do I need to use to get the milk to froth up?
2. To cause something to form into a foamy lather. In this usage, a noun or pronoun can be used between "froth" and "up." Do you have anything I can use to froth up the milk for my latte?
See also: froth, up
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

froth something up

to whip or aerate something until it is frothy. Froth the milk up before you add it to the sauce. Froth up the milk before you pour it in.
See also: froth, up

froth up

[for something] to build up a froth when whipped, aerated, or boiled. The mixture began to froth up as Dan beat it. The milk frothed up as the steam went through it.
See also: froth, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

froth up

v.
1. To become frothy or foamy: The vinegar quickly frothed up when I added the baking soda.
2. To cause something to become frothy or foamy: The spinning blades of the blender frothed up the juice. You need to stir vigorously in order to froth the sauce up.
See also: froth, up
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
It comes with a large capacity stainless steel milk pitcher, which can froth up to eight ounces of hot, warm or cold milk.
The various ideas will froth up some excitement amongst customers, as well as your sales.
-- Bodum Inc., which introduced the French Press to the American market 20 years ago, is aiming to froth up sales with its new Milk Whip.