Someone who has no regard for anyone. They are completely oblivious to anything that does not directly involve them. This term is usually applied to women, but can be used on the right man. This term sounds quasi-dirty which makes it safe to use in the work place without offending your co-workers.
"Look at that chick! Why won't she get out of the way? She can totally see that I wanna park there! MOVE IT, PINK BAG!"