Meaning when somebody spreads drama and your not in the mood to hear it just type in NBSATM. Everybody starts gossiping all over the net but sometimes we just don't want to get involved. So type in NBSATM
It means "no big deal or anything".
Usuallyused at the end of sentences sarcastically.
Very similar to "nbd"- no big deal
I'll be robbing a bank tomorrow, nbdoa.
Stacie: OMG you'll never believe what happened?
John: What?
Stacie: I slept through my history final!
John: That sucks, what did your professor say?
Stacie: He said that instead I just have to write a 25 page report instead, nbdoa