Possible Clues:

• Loose skin hanging from throat
• Pendulous skin under throat
• Do you drink in a beastly way? Sounds like it
• Fold of loose skin on some old necks
• Do you sound as if you drink in such a beastly way? Then, friend, it's up you to get married
• Flap as friend married on the rebound
• Do you drink in such a beastly way that it all goes under your chin?
• Pendulous skin under throat of cattle and dogs
• Fold of loose skin that hangs beneath throat
• By the sound of it, do you drink in such a beastly way as to get it all under your chin?