Scotty: When are you going to get off that milk diet, lad?
Chekov: This is vodka.
Scotty: Where I come from, that’s soda pop. 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’.