The downward fist is to fist down in a fruitful manner into someones oriphice, usually in the flange or rectal area. It usually brings great amounts of pleasure to all concerned. It used to be shown in the opening credits to E.R. Crass human beings such as bernhagens practice this as a sport and a mating ritual, so they don't feel alone in the cesspool
by Col Crass in the ass April 8, 2005