Holding a blue Forest Service bag below your asshole and taking a shit, usually done in the far depths of the
wilderness to protect the environment and other adventurers'
well-being. These are most common in
snowy mountain environments where buried poop would become exposed again within a few weeks.
(National
Forest Ranger): Thanks for signing into the climbing register! In case you haven't heard, there's no toilet on the mountain this year. Did you pick up some of our waste disposal bags?
(
Hiker): You mean the things you take a dump into? Yup...
(Forest Ranger): And you know about our ongoing campaign, right? -- Don't throw the bags into crevasses or pit toilets, carry them (filled with poo) all the way back and throw them in the trash.
(Hiker): Great...
blue bagging it once again.