One thing that is a waste of time. Buy a box of flower smelling dryer sheets before bed, stuff them in your sleeping bad, pockets, socks, shirt, hat, everywhere! When you wake up, you'll smell like flowery piss. At the time it seemed like a good idea.
I'll heat up some soapy water on my pot and cook my socks/undies. I also have a pocket shower I plan to fill with water, soap, clothes, and shake to death. Hopefully that will work.
There's always fabreeze at the Dollar Tree in pinch.