Congratulatory term used in the situation where you don’t want to openly cause offence when someone is celebrating the announcement of an event derived from their whoreish behaviour.

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.