An expression meaning "sweet!" or "cool!" or "awesome!" Arbitrary because it makes no sense, and utilizes a characteristic of the opposite gender's anatomy.

Marginalized Orientations, Gender identities, And Intersex. it’s meant to be an all inclusive umbrella term for asexuals, homosexuals, multisexuals, trans people, and intersex people. Alternative to LGBTQIAP+
Alternative to MOGII, easier to pronounce.

an exemplary and/or good looking pene.