covered with or resembling small bubbles as from being agitated by beating or heating; "the bubbling candy mixture"; "a cup of foaming cocoa"; "frothy milkshakes"; "frothy waves"; "spumy surf"
A foamy liquid has a mass of small bubbles on its surface or consists of a mass of bubbles. foamy waves Whisk the egg whites until they are foamy but not stiff. = frothy