From Longman Dictionary of Contemporary Englishhard-drinkingˈhard-ˌdrinking adjective [only before noun] DRINKa hard-drinking person drinks a lot of alcohol
Examples from the Corpus
hard-drinking• She continued to go out to dinner with academics, to receive the hard-drinking architect.• Commanders, R.N., are a notoriously hard-drinking breed, which scotched that suspicion.• a hard-drinking man• That was hard-bitten, hard-nosed, hard-drinking newshound Edgar Allan Poe.• The customers were mostly farming folk, a hardworking and hard-drinking set of locals who, in general, were convivial and congenial. 