Whilst anally penetrating your partner, pull out and jam the index and middle finger of both hands into their ass. Wipe the poo stained fingers across their cheeks giving them war paint. Then let out a stereotypical American Indian war cry.

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.