Synonyms for Swag (same or very similar meaning)
WordNet sense 1 (goods or money obtained illegally):
booty, loot, pillage, plunder, prize, dirty moneyWordNet sense 2 (droop, sink, or settle from or as if from pressure or loss of tautness):
droop, flag, sagWordNet sense 3 (walk as if unable to control one's movements):
careen, keel, lurch, reel, staggerFrom the ODE community, based on WordNetadd/edit