Binge Drinking

Usually defined as having 4 standard drinks for females or five standard drinks for men in two hours or less.  People who binge drink more than once in a two week period are generally considered to be heavy episodic drinkers.  Heavy episodic drinkers can develop significant alcohol problems including dependence and/or experience negative consequences related to their drinking habits.

References:
US Centers for Disease Control and Prevention
Higher Ed Center
National Institute on Alcohol, Abuse, & Alcoholism