1. Also called a shot or shot glass, a jigger is a small drinking glass-shaped container that usually holds about 1½ ounces, but can also be a 1- or 2-ounce size. It’s generally used to measure liquor. 2. The term is also used to describe the quantity of liquid such a measure holds, as in “a jigger of whiskey.”See also Pony; Shot.
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