A tumbler is a flat-bottomed beverage container usually made of plastic or glass.
They are so called because such glasses originally had a pointed or convex base and could not be set down without spilling. This compelled the drinker to finish his measure.
Collins glass, for a tall mixed drinkDizzy Cocktail glass, a glass with a wide, shallow bowl, comparable to a normal Cocktail glass but without the stemHighball glass, for mixed drinks Iced tea glassJuice glass, for fruit juices and vegetable juices.Old Fashioned glass, traditionally, for a simple cocktail or liquor "on the rocks". Contemporary American "rocks" glasses may be much larger, and used for a variety of beverages over iceShot glass, a small glass for up to four ounces of liquor. The modern shot glass has a thicker base and sides than the older whiskey glassTable-glass or stakan granyonyiWater glassWhiskey tumbler, a small, thin-walled glass for a straight shot of liquor