Possible Clues:

• Drank like a dog
• Passed on the track
• Drank like a dachshund
• Drank
• The priest in the deal got around the course
• Drank like a cat
• Drank like a boxer
• Drank (up)
• What the beastly drinker would have done to get so washed up on the shore
• Got a big lead, in a way