Is there such thing as eating disorder for over eating?

Eating DO?: If accompanied by other symptoms such as binging/purging, yes, it's called bulimia.

Binge eating disorde: Overeating simply means, “eating to excess”. There are varied causes of overeating (many Americans overeat on Thanksgiving) that generally have to do with food itself, not feelings. Binge eating disorder is an eating disorder in in which people cope with difficult feelings by turning to food. The behavior causes shame and guilt, and usually expresses an underlying issue, conflict or problem.

Yes and very common: Often referred to as compulsive overeating, this is just as much a problem in your relationship with food as any other eating disorder. The least helpful approach is trying to diet which usually makes,things,worse. A therapist experienced in treating eating disorders can help you see the emotional component of your eating and help you to deal with your feelings more effectively.