Possible Clues:

• Tennis champion, one for a cocktail
• Saint helping beggar with one drink
• Windward island bans that French cocktail Bond drinks
• Damage can start to impair it?
• Skill, in short, needed to make a cocktail
• "Dirty" cocktail
• Cocktail dress inspiring painting?
• Miniatures? No use for cocktail!
• Drink Mencken called 'The only American invention as perfect as the sonnet'
• Drink one needs to get over bird? On the contrary