When you and your girlfriend share the toilet seat together. When done, you tip the toilet over and turn your bath tub on and block the bathroom door,therefore starting a small flood with dirty pee poop water and you both swim in it

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.