An annual holiday celebrated by students at Saint John's University, The College of Saint Benedict, and Gustavus Adolphus College, all private liberal arts schools in Minnesota. Case Day is celebrated by individual students attempting to consume a case of beer in the 24 hour period. Typically celebrated on the Saturday before finals week of the spring semester.

a case of beer (usually cheap, due to its teenage nature) purchased with the intention of drinking during the day, rather than at night (can also be used when describing a case drunk with the intention of Pregaming a party that night). very common on school half days leading into the weekend and the summertime binge that teens go through while trying to make up for the time lost in school. Day cases originated in the philadelphia area, particularly the western 'burbs