From Longman Dictionary of Contemporary Englishstiff drink/whisky etcstiff drink/whisky etcDFDa very strong alcoholic drink → stiff
Examples from the Corpus
stiff drink/whisky etc• A good shower helped, but she would have liked to go down and search for a stiff drink.• Calm your nerves by deep breathing, not by having a stiff drink.• Come on, you need a stiff drink.• A couple of stiff drinks and a bowl of soup afterwards was about all I could cope with.• When he got home he'd have a stiff drink and a long bath, followed by another stiff drink.• I poured myself a stiff drink and tossed it down.• Many people would rather have a stiff drink to help them sleep, than take a sleeping tablet for their insomnia. 