Tough break, nigga.
A - Do you have any Steak n Shakes up there?
B - No.
A - TBN
Akronym: "To Be Negative" Used when clarifying your sarcasm or cynical distain for someone in a blog post or comment.
TBN: "Well, you cant really expect anyone to care about your breakup...because you cheated on her twice, yah Moron."