Binge eating disorder (BED) is the most common eating disorder. It involves repeated episodes of eating a clearly larger amount of food than most people would in a similar situation, in a short period, with a sense that you can't stop or control what you're eating — typically followed by distress, guilt, or shame. Unlike bulimia, binges aren't followed by purging, fasting, or compulsive exercise. It is a recognized medical condition, not a lack of willpower, and it is treatable, most often with specialized psychotherapy such as cognitive behavioral therapy.
BED commonly overlaps with obesity, so it comes up often for people considering a GLP-1. Appetite-suppressing medication may reduce binge urges for some people, but the evidence is early and mixed, and an eating-disorder history is a reason to involve a mental-health professional rather than a reason to avoid treatment outright. See the guides on GLP-1s and a history of disordered eating and talking to a mental health provider before treatment.
Source: NIDDK (external link).