Detrimental is an adjective that means harmful or tending to cause harm. It can also be used to mean prejudicial, disadvantageous or counterproductive.

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.

of much or great significance or consequence

i group or gang of 5-10 people usually killing anything in thier path.