A homosexual act where one male sticking and sliding his penis between another man's butt cheeks. The act is self-named after the inventor.
Guy #1: "Dude, I heard that Jimmy gave John a TYser Bun"
Guy #2: "No way man, that's not true, that's disgusting"
Guy #2: "No way man, that's not true, that's disgusting"
by super_roxxor March 11, 2007