highball

n.	1.	An alcoholic beverage having a liquor such as whiskey mixed with water or a carbonated beverage, and usually served with ice in a tall glass.
	2.	(Railroads) A railroad track signal permitting the engineer to proceed at full speed.

Noun

1.

highball - a mixed drink made of alcoholic liquor mixed with water or a carbonated beverage and served in a tall glass

Mickey, Mickey Finn, aperitif, ball the jack, barrel, boom, bowl along, breeze, breeze along, brush, chaser, clip, cocktail, cut along, doch-an-dorrach, drink, eye-opener, fleet, flit, fly, fly low, foot, go fast, hotfoot, hustle, knockout drops, make knots, mixed drink, nightcap, nip, outstrip the wind, parting cup, pour it on, pousse-cafe, punch, rip, run, rush, scorch, sizzle, skim, speed, stirrup cup, storm along, sundowner, sweep, tear, tear along, thunder along, wee doch-an-dorrach, whisk, whiz, zing, zip, zoom