People who won't stop bragging about their involvement in torture races, i.e. Tough Mudder, Spartan Run, etc.
by Lenny Laserdisc May 12, 2015
Guy1: Did you hear Michael completed the Tough Mudder Challenge?
Guy2: Yeah he's a Tough Mudder Fucker.
Guy2: Yeah he's a Tough Mudder Fucker.
by XxMayhem6xX February 19, 2012