Like the abbreviation bi for bisexual, pan is an abbreviation for pansexual.
Pan generally refers to the sexual orientation of someone that can love or be attracted to a person of any sex, not just females or males, including but not limited to males, females, transexuals, tansvestites, gender benders, hermaphrodites, intersexuals, androgenous people, and those with sex-chromosome anomaly such as klinefelter syndrome or turner syndrome.

Got the covid-19 vaccine

Pan is the son of Hermes (Mercury).

n. Abbv. of the Spanish word "panocha."

adj. Abbv. of the Spanish word "panocha" (trans. "pussy"), used to describe a cowardly person.

Shorter, gayer way to call someone a pansy.