1 Mark Pickvet (Oct 1, 1998). ... 2 whiskey and sour, which was served in a 2-ounce shot glass....  3 He held his shot glass upside down and watched the last few drops of whisky roll down the side of the glass Prairie Schooner, Volumes 13â14 (1939). ... 4 and brought out a bottle of brandy and a shot glass....