J40kmean? Here you find
When someone lacks either intelligence and/or effort to get a job. And end up playing online games all day.
An abbreviation of Just for banterUsed when someone does something stupid or inconsiderate towards someone else.
Anyone who is obsessed with becoming popular through any means necessary. These means can include; being emo lying telling the true changing mail pvt msg and private massage
Just for fun
A reference from the Something Awful forums, j4g stands for 'joined for guild'. It refers to someone who has joined the Something Awful forums for access to their guilds in various games, and not for their community culture.
lamer way of spelling jihad wrong with leetspeak.