A term used primarily by aging B-list celebrities, desperate reality television actors, and ill-informed high school students to express contempt, scorn, or pessimism toward a particular situation, person, event, or broader circumstance. The term enjoyed its peak of popularity when introduced into general usage by Stephen Tyler of the rock band Aerosmith and has been in severe decline since. The original usage of the term was as an adjective to describe being worn-out, dulled, or dissipated.

The end result of having a steady flow of negative experiences, disappointment, and unfulfillment fed into a person where they get to the point where their anger circuits just sort of burn out and they accept disillusionment.

Having so much bad stuff happen to a person to the point where they feel kinda numb.

emotionally numb. having been through so much pain that you simply give up and decide unconciously not to feel anymore. mental suicide.

cynical, disbelief in the sincerity of human motives, believe that the worst will happen, pessimistic

1. the state of being emotionally bankrupt
2. having no illusions
3. unfeeling, uncaring, emotionally numb or empty

adj. Worn out, dulled, as from overindulgence.

That feeling you get about college after a month or two, when you realize it isn't any better than high school was and you're still wasting your time. When you start to question why you're there at all.