Usually performed inside of school, secretly take someones backpack and empty all of the books out of it. Take someone else's backpack and take the books out of it again. Flip both backpacks inside out. Take the books to the first backpack and place them in the second bacpack. Also, take the books of the second backpack and put them in the first back pack. Then, zip them up and return them to their original owners.

The phenomenon of having to come out as bisexual to the same person/people repeatedly because they assumed or hoped that your sexuality was a "phase." Refers less to the holiday and more to the 1993 Bill Murray comedy film in which the main character experiences the same day over and over.