Paul O’Rabies is referring to Paul O’Grady after gaining a disease from ‘hugging’ too many dogs (unknown if he does have rabies or not, but it’s funny)

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.