Possible Clues:

• Blair's revolutionary cold war missile?
• Increase in importance for cocktail
• Increase rapidly in size — advocaat and lemonade
• Drink second immediately before dance
• Keep growing rapidly
• Quickly grow kind of bush with white flowers
• Increase at a rapidly accelerating rate, in winter?
• Elitist completely accepts women grow ever faster
• Alcoholic drink, new, featured in broadcast dance event
• Winter-time missile