1 definition by Girlwhoknowsnothing
R.A.B (pronounced "rab") stands for Rude Ass Bitch. R.A.B is someone who is known to be nasty and especially shady. It can also be used to describe someone who is just over the top feeling themselves to the point of being annoying af.
Ugh did you hear what Alizaih said about Aretha yesterday?? She's such a R.A.B!"
"Justice stop looking in the mirror you're starting to look like a R.A.B"
"Justice stop looking in the mirror you're starting to look like a R.A.B"
by Girlwhoknowsnothing November 3, 2016