adj. The act of being constantly preoccupied with the thought of yourself and everything in this world that involves you or should involve you. A self-obsessed individual is someone who just can't help thinking and talking about themselves.
by Rawpinions December 21, 2007
Excessively preoccupied with one’s own life and circumstances; thinking only about oneself, not a thought for anyone else's feelings all me me me
by The planet June 21, 2015