Possible Clues:

• Son prepared to be drinking greedily
• Son eager for heavy drinking
• Son ready for heavy drinking
• Drinking game after end of parties
• Drinking to excess
• Drinking greedily seconds before game
• Is the South prepared to be having a drink?
• I'll move from side to side without drinking large amount
• Is the South drinking like Copperfield's Barkis?
• Is the South prepared to be drinking to excess?