Acronym for "My Life is Gaming";
a term profusely used by 10 year old Xbox players, to show how 'amazing' they are at a very short lived and degraded game. Not to be confused with MLG, which is a term reserved for actually skilled players.
You "I just got a 2 KD ratio on MW2! I'm gonna go M.L.G!"
Friend "Everyone plays Black Ops now..."