Scotty: When are y'gonna get off that milk diet, lad? Chekov: This is vodka! Scotty: Where I come from, that's soda pop. Now, this is a drink for a man. Chekov: Scotch? Scotty: Aye. Chekov: It was invented by a little old lady from Leningrad! "Star Trek: The Original Series: The Trouble With Tribbles, Season 2"