Related Clues:

• Burger joint drinks
• Soft drink 'war' participants
• Relatives, casually
• Home bodies, for short
• Mixers at mixers
• Tick off cocktails with soft drinks
• Sis, bro, ma, etc
• Group of close friends, in modern slang
• People you're close with, in slang
• Clan, slangily
• Close kin, casually
• Competitors in a classic advertising 'war'
• The ’rents and the rest
• Carbonated beverages
• Pizza party beverages