1 definition by cypherus01
A person who talks a big game/talks smack on a social networking site, but most likely never confront someone face to face. Used by Giants DE Osi Umenyora when describing Philadelphia Eagle LeSean McCoy's derisive posts labeling him a "soft."
Marco was being a twitter gangster when he ripped Jack for cockblocking at the the club, be we know that bitch would never step up in real life.
by cypherus01 June 19, 2011