Related Clues:

• Drinker serves up some bizarre potations
• Port and last bit of absinthe drunk -- by him?
• Couple of pints initially consumed by roofer, habitual drinker
• Drinker, one popular with bar staff, imbibing litre
• Pink-elephant spotter, stereotypically
• Bar fixture?
• Literally, 'fool'
• [hic!] producer
• Drinker extraordinaire
• Dipso
• Swillbelly
• He may find it hard to pass the bar
• One with a six-pack, usually
• Heavy drinker swilling port, about a quarter
• More than a liquor lover