A defense mechanism for women where they give a guy the cold shoulder without giving him a chance. A woman rejects a man based on superficial characteristics and refuses to be nice and get to know him.
He tried to talk to me, but his eyebrows were too thick and ugly so I put my bitch wall up.
A person who is a total bitch, but in a deceiving manor. This person my seem nice on the outside, but what lies within is bitchiness to an astronomical degree.