http://appellationbeer.com/blog/words-to-describe-the-beer-you-are-tasting/
1. Words to describe malt flavors: Malty, biscuity, breadlike, grainy, rich, deep, roasty, cereal, cookie-like, coffeeish, caramelly, toffee-like, molasses-like, malt complexity, smoky, sweet, autumnal, burnt cream, scalded milk, oatmeal, rustic, layered.
2. Words to describe hop flavor and bitterness: Piney, citrusy, grapefruity, earthy, musty, spicy, sharp, bright, fresh, herbal, zippy, lemony, newly-mown lawn, aromatic, floral, springlike, brilliant, sprucelike, juniper-like, minty, pungent, elegant, grassy.
3. Words to describe fermentation flavors deriving from yeast: Fresh-baked bread, clovelike, bubblegum, yeasty, Belgiany, aromatic, tropical, subtle, fruity, clean, banana-like (and for some sour or extreme beers) horseblankety, earthy, musty.
4. Words to describe conditioning (carbonation): Soft, effervescent, spritzy, sparkling, zippy, pinpoint, bubbly, gentle, low carbonation, highly carbonated.
5. Words to describe body & mouthfeel: Rich, full, light, slick, creamy, oily, heavy, velvety, sweet, dry, thick, thin.
6. Words to describe warm ethanol (alcohol) flavors from strong beer: Warm finish, heat, vodka, esters, pungent, strength.