Highball

The term Highball has a multitude of meanings, but there are only 3 that a person should know about.

Example A: A beverage that consists of an alcoholic based spirit and a non-alcoholic mixer.

Example B: A very fast moving train, usually of an express freight or passenger train

Example C: A type of railroad signal, invented before colored signals became a thing, that indicated if the track was clear or not

Example A: Barkeep, I'll have a Whiskey Highball

Example B: The No. 5 Train, going from Shreveport, LA to Dallas, TX is a highball express, so tickles aren't cheap

Example C: Dispatch: Train 7, you are clear to highball. (A very large ball appears at the top of a wooden pole)