The time of day you inject gerbils into your system. One cage is at the mouth, one at the asshole, and gerbils are let in to explore until one is turned inside out by the gerbil conga. Done at exactly 11:14AM preferably on tuesdays. Popular with gay men. The time of day is incredibly important to those performing the act for symbolic reasons. Time specific gerbilling

Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.