Possible Clues:

• Drinker
• One drinking beer half-heartedly with doctors in islands
• One who runs up a bar tab
• One takes in how US pop idol introduces himself? First European's ignored
• AC/DC fan's admission given half empty beer — "I like a drink"
• I am sort of fish -- little hesitation to be a drinker
• One blade originally to cut wood decapitated drinker
• I'm having the local tipple outside Berlin's foremost boozer
• One drinking
• Toper