From WordNet (r) 3.0 (2006):
frothy
adj 1: emitting or filled with bubbles as from carbonation or
fermentation; "bubbling champagne"; "foamy (or frothy)
beer" [syn: bubbling, bubbly, foaming, foamy,
frothy, effervescing, spumy]
2: marked by high spirits or excitement; "his fertile
effervescent mind"; "scintillating personality"; "a row of
sparkly cheerleaders" [syn: bubbling, effervescent,
frothy, scintillating, sparkly]