Possible Clues:

• 1 1/2-liter bottle
• Relative hides precious metal from Pole full of drink
• Big champagne bottle
• 1.5 liters of Merlot
• Switching starters, keep on at mother to supply bottle of wine
• Publication taking on union shows bottle
• Champers bottle
• Dam antelope confronts male showing a lot of bottle
• 1.5 liters
• There's enough drink there to nag one to bits with Mother around