Washing is a boomerism and very environmentally unfriendly.
All of the funk emanating from your body is found deep inside your colon. The best way to stop the stink is to pinch it off at the spruce. Grab some bleach, regular ammonia, two turkey basters, and lube. No worries if no lube is around, Bengay or Icy Hot work fine too. Coat the basters and fill one with ammonia. Insert it up your pooper and squeeze. Repeat with the bleach. After a little while and a tingling sensation all of that nasty funk will just fall out of you. It should look like goo and coffee grounds.
No muss, no fuss, and no need for a shower!