(physical) To put or bring things together in a limited or confined space, especially for storage or transport.
(social) To cheat.
To load with a pack
to pack a horse
To load; to encumber.
To move, send or carry.
To block a shot, especially in basketball.
(of the forwards in a rugby team) To play together cohesively, specially with reference to their technique in the scrum.
(of a drag king, transman, etc.) To wear a prosthetic penis inside one’s trousers for better verisimilitude.