<p><strong>Verb</strong></p><ul><li>(used without object) to make a hissing or sputtering sound; effervesce.</li></ul><p><strong>Noun</strong></p><ul><li>a fizzing sound; effervescence.</li><li>soda water or other effervescent water.</li><li>an iced mixed drink made of liquor, lemon juice, sugar, and soda: gin fizz.</li><li>British Informal: champagne.</li></ul>