TB or "That/The Bastard": derived from English words:
That: used to indicate a person, thing, idea, state, event, time, remark, etc., as pointed out or present, mentioned before, supposed to be understood, or by way of emphasis
Bastard: a vicious, despicable, or thoroughly disliked person
is usually used to describe a person of questionable parentage, or unpleasant disposition.
text message between author and girlfriend, circa January 2008.
stole my car!
TB stole my car!
Look at the Bastard
Look at TB over there.