Top definition
A term used by NDSU students to describe a day of skipping classes and ignoring homework.
Person 1: Hey bro, how's your week been?

Person 2: Terrible. I'm thinking of taking a Bison day.
by Dr. Bison January 19, 2011
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
2
A day to skip class, sleep in and get drunk.... really really really drunk.
Bison Day, the REAL reason people go to college.
by CanIGetAHottub February 03, 2011
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug