<P> A shot glass is a small glass designed to hold or measure alcoholic spirits or liquor, which is either drunk straight from the glass ("a shot") or poured into a cocktail . A "shot" of liquor is not the same as a "shooter". </P> <P> Shot glasses decorated with a wide variety of toasts, advertisements and humorous pictures are popular souvenirs and collectibles . </P> <P> Several examples also exist from the 1930s . However, although it was used by some, the term apparently did not come into common usage until much later . </P>

How many oz in a shot of tequila