a word describing an alpha male (somebody who thinks they are high in the social hierarchy)
Bob: bro i have so much rizz!
Joe: you're not sigma bro stop acting like you are!
A skibidi rizz ohio sigma duke denis gyat grimace shake patrick bateman.
That Sigma is rizzing up that gyat!
A sigma is an alpha male, who is very masculine and only focuses on their selves.
Mike doesn't vape, what a sigma he is!
His crush rejected him, so he joined the gym and became a sigma.
Saying that somebody needs to suck your “dick”.
Sigma! Sigma what?? Sigma balls!