spumous


spumous (http://definr.com/spumous)

     adj : 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" [syn: bubbling,
            foaming, foamy, frothing, spumy, sudsy]