Slang for vagina under certain conditions, kinda. Similar to how "raincoat" is used for condom. But instead of a condom you're putting a lady on your penis.

Also can be used to describe your current lover. (ideally your female lover). Although slightly crude

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.