One who derives great satisfaction from and has gained a reputation of punching others in the face in an attempt to draw blood in an attempt to gain significant physical and/or mental advantage during a fight. Typically a person who is participating in a (full) contact sport which involves significant physical contact between the athletes involved. Examples are: mixed martial arts MMA, Muay Thai, judo, karate, kick-boxing and or prize fighting.
This fight is going to be messy and won't likely last long because that guy is a real lipsplitter.
by Brad Keith April 08, 2008