A loss in tomorrow's game will 'send' them 'packing'. [=will eliminate them from the competition]
('Brit') For mail-order purchases, add £2.50 to the price to cover 'postage and packing'.
She isn't 'packing in' her skis [=she is not giving up skiing] just yet.
(..) No, we've-- I'm not gonna call Doyle until I can produce Mrs. Thorwald's body. What we've got to do is find a way to get into that apartment. He's packing. Uh-oh. Here, get me a pencil. Stella, get me some note paper. It's up here someplace. There it is. (..)1954 Rear Window