Slang for toliet paper and commonly used amongst non-commissioned members in western militaries. Thought to be derived from 'snot rag' and also to reflect the very poor quality of toliet paper supplied by militaries.
"That was our last roll of ass rag. Guess I'll have to go down to the store and pick up some more rolls of ass rag."
a dedicated cloth, used when hiking for extended periods of time, used for wiping your ass. If used properly, there is very little if any odor, and a 12" x 12" ass rag will last for weeks. It is carried hung outside of the pack. A term originally coined by Ron Hood of THE HOODLUMS fame, a outdoor and survival website .
johns Ass Rag was clipped to his pack. He used it to wipe his ass after taking a crap inthe woods.