When you press the back arrow button on Facebook.com, on someone's photos, it usually goes to the first picture they were ever tagged in. People who are naturally unattractive have usually become better looking with age, but to see them in their early stages of fugly, would be considered part of Back arrow syndrome.

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.