(1) To carry, as in "I'm gonna pack these here groceries out to the car now, Ma," which is the way true natives say things in Washington State.
(2) The little gemlike world you carry behind you while you are engaged in ultralight backpacking.
(3) The monstrous evil demon clinging to your back with six-inch claws while you are engaged in traditional backpacking.
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Me? On the road to success with a broken axle, two flat tires, and a stray weasel.