I. ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: high (I) + ball
1.
a.
[so called from the fact that in early RR practice a metal ball was raised on a pole as a go-ahead signal to the engineer]
: a railroad signal for a train to proceed at full speed
b. : a fast train
2. : a drink of spirituous liquor mixed with water or more often a carbonated beverage (as seltzer or ginger ale) and served in a tall glass usually with ice
applejack highball
whiskey highball
II. intransitive verb
: to go at full or high speed
see how safely they highball with a full load — Civil Engineering
a highball ing express train
transitive verb
: to drive at full or high speed
how we highballed those camions up — Christopher Morley