An often humid, yellowish froth produced by fermenting malt worts, and used to brew beer, leaven bread, and also used in certain medicines.

A single-celled fungus used in baking and brewing, as well as a type of fungus that can cause infections in humans.

(figuratively) A frothy foam.

To ferment.

(of something prepared with a yeasted dough) To rise.

(African-American Vernacular, slang) To exaggerate.