noun. USA! USA! The metric system can go fuck itself.
Real citation: "how do you convert a metric ass load to an american ass load?"
(BigKahuna855, May 3, 2005, http://www.musicplayer.com/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=5;t=011641;p=1)
Made-up citation: "The dollar is looking puny these days, but the American assload is looming ever-larger, due to significant increases in the really gross national butt-size."