froth
noun
an aggregation of bubbles, as on an agitated liquid or at the mouth of a hard-driven horse; foam; spume.
Used to describe an ongoing action or continuous state that will be taking place in the future.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
American soccer fans will be frothing at the mouth in anticipation of this one.
From New York Times ● Dec. 21, 2011