Pretentious Bitch means: A psuedointellectual, annoying, or skank, who likes alternative music and believes she is better than everybody. To maintain her self-esteem, she is passively aggressive in criticizing everyone she meets. She will only resort to ranting about random useless information if she gets into verbal conflicts. She feels that she can handle the situation because her target isn’t sure what she’s talking. (in Community Dictionary, added by Cevesaile)