They went to the Oak Room Bar of the Plaza and had mint julep in frosted pewter mugs. “For Kentucky’s sake,” Willie explained.
Irwin Shaw. Rich Man, Poor Man (1959)
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The little man stood tiptoe, and putting his head first to one side and then the other, and snuffing considerately in the directions of the various bottles, ordered at last a mint julep, in a thin and quivering voice, and with an air of great circumspection.
Harriet Beecher Stowe. Uncle Tom’s Cabin (1852)
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“if you’re going to make personal remarks I won’t stay here a minute. Call up and order some ice for the mint julep.”