(acronym) That Bitch Crazy. Used when talking about a woman who is: a) a friend bitching out another for something minute or b) a random who is flipping out for no apparent reason.
Depending on the situation, may be for reasons of grammar naziism.
Dude #1: If we leave now, we should make the movie.
Dude #2: It's prably good.
Bitch: For the love of Christ, this is fucking annoying. It's probably, not prably, you fucking retards. God damn it, am I the only one who cares about speaking correctly...(ad infinitum)
Dude #1 (to Dude #2): TBC... TBC.