Act of masturbation when one is angry. This act is used when one needs to cool of, thus to relieve stress, an act of angerwanking is used.

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.

The practice of a wank when one is pissed off, or thinking angry thoughts. Similar to a power wank in that maximum force is exerted on one's wang.

When you jerk off thinking about something or someone you hate. Reasons may include anything from simple stress relief, to a sado-masochistic mindset, to anything in between.