Roxy Supremacy (also known as "Roxyism") is a religion worshipping the Goddess, Roxy Migurdia from the anime "Mushoku Tensei: Jobless Reincarnation".
Did you hear? I joined the Roxy Supremacy and I shall serve her until the day I die.

My friend joined Roxyism, maybe I should join too.
by Barney Pope March 18, 2022
Get the Roxy Supremacy mug.
One's bias towards their own opinion—as a result of being the original poster, sender, or equivalent—on social media forums, especially when accompanied by a sense of self-confidence or entitlement by the sole act of sharing their opinion on said social platform.
Why was the sender supremacist certain that the Earth is flat? Well, it's because he sent it.

Reddit is widely considered to be the best example of sender supremacy. Either your viewpoints must entirely align with that of the sender, or you are cast off as an unknowledgeable internet troll and promptly downvoted to oblivion.
by thewordcreatorpro January 6, 2021
Get the sender supremacy mug.
A kickass Swedish alternative rock group with a video game feel to their songs.
Hey have you ever listened to Machinae Supremacy?
by jbonkerz December 23, 2003
Get the Machinae Supremacy mug.
Cats are the all knowing gods of the universe we worship. Cat supremacy is to denounce dogs to the lowest being on earth. We will do anything for cats. Any type of cat is entitled to cat supremacy.
I believe in Cat supremacy!”

Dude, we know already-“
by Felidine June 28, 2021
Get the Cat supremacy mug.
Having the last word in texting form by not responding. Shows social superiority in that one has better things to do than respond to a text that says "kk". Double points if used successfully against a member of the opposite sex. An ego-boosting phenomenon.
Emma: I didn't text Ted back, he tells me he's going to the gym? Like I care.
Elise: Texting supremacy. Way to not dignify that shit.
by Plasticworks March 5, 2011
Get the texting supremacy mug.
It is believing that the beautiful, awesome, segsy, amazing, talented, handsome, BTS member seokjin is the supreme, which is true
Namjoon stan: I'm not even jin biased but I believe in seokjin supremacy.
Jimin stan: Me too! It is very much real and alive.
by Definitelynotchimchim October 17, 2020
Get the Seokjin Supremacy mug.
Height supremacy is the racist that tall people are superior to people and therefore should be dominant over them. Height supremacy has roots in scientific Tinderism, and it often relies on pseudoscientific arguments. Like most similar movements such as neo-Nazism, height supremacists typically oppose members of all races under six foot tall.
Tipton practices height supremacy because she only dates tall guys.
by project pat1232 September 4, 2019
Get the Height supremacy mug.