(noun)
valuable goods or objects (including money), especially acquired by unlawful means;
e.g. The pirates loaded their swag into chests on the ship.
(noun)
a hanging or suspended decoration, such as a chain/strip of something draped in a curve between two points, or a cluster of something such as branches/vegetation;
e.g. The stage was decorated with a swag of flowers and ribbons.
(noun)
a slow back-and-forth movement, similar to swinging or swaying;
e.g. The swag of the waves caused the boat to rock gently on the surface of the water.
(noun)
in informal American usage, an attitude of bold or arrogant self-confidence, i.e. swagger;
e.g. Eventually, they came to find his swag obnoxious and irritating.
(verb)
to move or swing back and forth, in a way that may be gentle or abrupt;
e.g. The branches began to swag in the wind and shed their leaves.
(verb)
to droop, hang, or sink downwards;
e.g. The heavy curtains swag from rods above the windows.
(verb)
to decorate something by arranging drapery or adorning it with clusters of ornaments;
e.g. They arrived early to swag the room with rich tapestries.