The rule that states if you are hooking up with a girl and you pull your junk out, she will either touch it, suck it, fuck it, or push it away. There is a 75% chance she will do something.

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.