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.
(..) nor do I care to drive a desk... pending the outcome of this malicious allegation. Now, I respectfully request you keep me with my crew or you send me packing. That sounded dangerously like an ultimatum. You take it as you will, sir. Don't worry. (..)1997 G.I. Jane