A person who has a penis so small a microscope cannot view it, these people are often confused with females as they tend to open up the penis to fit into society and pass off as a girl

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.