"fist on" is something fellow fisters say to each other, as a form of encouragement and also when a fister is leaving you say "fist on" to encourage them to keep fisten and if the fister is polite he/she will reply back "by the fistfull!". It creates good vibes and makes people feel happy and fruitfull, by the fistfull!

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.

When someone ejaculates on your fist, and you begin to fist them with it.