Possible Clues:

• Cocktail of gin and dry vermouth
• Drink that may be garnished with a lemon peel
• A drink for Arthur in the revealing dress!
• Swallow last drop of Chianti, an Italian drink
• 70% island drink
• It's an old French piece
• Cocktail dress: are you in it?
• Painting in car of gin cocktail
• Swallow single cocktail
• Short skirts are archaic, that's it!