Millennial-post-traumatic stress disorder (MPTSD) is a fake mental health condition that's triggered by an insignificant event perceived by millennials to be a terrifying event. Symptoms may include crying, whining and entitlement, as well as uncontrollable thoughts about the event.

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.