Stands for "The worst bitch" Usually used towards a close female
friend or girlfriend. However this is, not a term of endearment, rather TWB acts like a bitch at times but fails at being very bitch-
like. TWB also makes sure to keep a calm demeanor because secretly she is part of an alien race
bent on destruction of the planet.
IRL:
Me: You make terrible sandwiches, you're
the worst bitch!
TWB:
Shut up
Txtng:
Me: u make terble sandwiches u r twb
TWB: You are really bad at
spelling