A holiday generally celebrated around the time of Christmas. Those who celebrate do so by indulginging in some of their favorite past times that involve smoking canabis, Also some celebrate the 12 days of Canabismas by getting super stoned for 12 days straight.

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.