noun. A metaphorical parlor trick involving a proctological wonder.
Related terms: asspull, ass-pullery.
Real citation: "Decipher's Starships handbook, perhaps? IIRC, the T'Kumbra was reused footage of the Prometheus from "Second Sight" (also reused as the Lexington from "Explorers") and the rest of those numbers were never seen onscreen, either. I smell me some ass-pullage!"
(MMoM, June 19, 2005, http://flare.solareclipse.net/cgi2/ultimatebb.cgi?ubb=print_topic;f=6;t=002568)
Made-up citation: "As a writing teacher, I instruct students in the fine arts of rhetoric, ass-pullage, and spelling.”