[quote name='MSUHitman']It means they haven't been online for over a month, maybe longer. It's usually either their 360 broke, they just haven't played online for whatever reason (health, job, wife/gf, etc.,) or their Live subscription ran out.[/quote]
See that is what I thought, but sometimes it will say my brother's GT is "Offline" even though I am sure he played in the last month.