Possible Clues:

• Front of bib with dribble from drink
• Sounds as if one would never greet such drink with ''Cheers!''
• Gin-joint inventory
• Drink well behind rear of pub
• Drink brings audible sounds of disapproval
• Alcohol (sl.)
• Vocally expresses disapproval of alcoholic drink
• Drink, black, to leak out slowly
• Audibly demonstrates contempt for sauce
• Wildlife park set up in Belgium - is it something the Trappist monks would put their name to locally?