A highball glass. / (slang) A logger who works very hard or very fast.

plural of highballer

A cocktail made from a spirit plus soda water etc. / (rail transport) An all clear or full speed ahead signal. / (climbing) A very high bouldering problem, often with a hard landing.

To make an estimate which tends toward exaggeration. / (US, slang, possibly dated) To move quickly; to hightail.

plural of highball

present participle of highball

simple past tense and past participle of highball

A glass tumbler holding 240 to 350 millilitres, used for highball cocktails and other mixed drinks.

plural of highball glass