extreme euphoria when pulling in to fill up and realizing prices have dropped severely.

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 extreme euphoria felt after the release of gas. Either orally or anally.

With the word 'orgasm' shortened to "gasm", the whole term together means to have a level of euphoria from a smell.