It's a lot like Chronic fatigue, but entirely bullshit.

There is only one known case to man kind, this case is found in the beautiful man, most commonly known as Steven Charles Vella.

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.