Possible Clues:

• Drink produced by firm of hospitality leaders consumed by everyone
• Cola formula, almost pure drink
• It's off-limits for teetotallers
• Local criminal drinking house wine?
• Drink beer, mostly chilled, when it's hot inside
• Mocktail's lack
• Booze trashed what's within school walls
• Booze, liquor, hootch
• Two-thirds of 11, for instance -- it's befuddling!
• A virgin drink doesn't have any