mouth fighting
n.— «Trash talkers have been part of the sport since its earliest days, from John L. Sullivan’s drunken hollering to Mike Tyson’s threats to eat Lennox Lewis” children. Actually, Tyson went beyond trash—what emerged from his mouth was some kind of outer-space debris. But Tyson’s unhinged tirades were simply his version of boxing’s oldest tradition, something the old-time writers referred to as “mouth fighting.”» —“Mayorga can talk the talk, but can’t always walk the walk” by Don Stradley EPSN.com Sept. 24, 2008. (source: Double-Tongued Dictionary)