Possible Clues:

• Liqueur often mixed with water
• Liqueur that turns cloudy when mixed with water
• Curiously it’s a teen’s postprandial drink
• Cigarettes in abundance holding drink up
• Aromatic liqueur
• Ouzo kin
• A Belfast fixer runs off for a drink
• Liqueur drunk neat: it’s taken with tablet
• Cordial with a licorice-like flavor
• Flavorer for an espresso shot