frost a rock
v. phr.— «A Cal Adventures, University of California at Berkeley, is the practice of (get ready!) frosting a rock.. At Colorado Outward Bound and the National Outdoor Leadership School in Wyoming, the same procedure is called, yet more graphically, smearing. A hiker rises from an afternoon nap…and then proclaims to all present, “I think I have to go frost a rock.”» —by Kathleen Meyer How to Shit in the Woods Aug. 1, 1994. (source: Double-Tongued Dictionary)
Further reading
Is there such a thing as a “neutral” accent, and if so what does it sound like? And that quirk in the way southern Californians talk about freeways. They’ll say things like take the 405 and get on the 8. Why the definite article...
Floordrobe is the new word for an old habit: piling your clothes on the floor instead of putting them away. The Oxford English Dictionary recently added an entry for it, defining floordrobe as “an untidy heap of discarded clothing left on the floor...