Definition of swigging:
(v) :
To drink (usually by gulping or in a greedy or unrefined manner); to quaff.
(n) :
(by extension) A long draught from a drink.
(n) :
Warm beer flavoured with spices, lemon, etc.
(v) :
(nautical) To take up the last bit of slack in rigging by taking a single turn around a cleat, then hauling on the line above and below the cleat while keeping tension on the line.
(n) :
(nautical) A tackle with ropes which are not parallel.
(n) :
(obsolete) Drink, liquor.