What the sigma

Very common phrase used to express anger, contempt, disbelief or just to sound stupid.

Commonly used following the word "erm".

Teacher: "We're not on the computers today, get your pencils out!"
Brainrot pupil: "Erm, what the sigma!"

by Mr Johnstone June 13, 2024

sigma skibidi

a skibidi that dosent need other skibidis and works on thier grimace shake factory and fanum taxes any skibidis mew that gets in thier way

person1: want to talk?

sigma skibidi: no.

by sigmamewer March 21, 2024

dirty sigma

every man who considers himself a sigma male. Instead, they are just a fucking loser.

"Look! Its a dirty sigma!"
"No, its a fucking loser."

by LilPetey May 13, 2024

SIGMA PENIS

A giant penis that can move by it self YOU PIECE OF SHIT YOU WERIDO

YOU HAVE A SIGMA PENIS

by LEBRONHASABIGPEN October 8, 2025

Sigma

Sigma is pippin

Yo wsp pippin (sigma?

by Rrrfgh May 9, 2025

Sigma

A word to describing someone who is the alpha in a certain place. Also someone who is very rizzy

When the sigma entered the room, everyone bowed down

He is the Ohio Sigma rizzler

by anonymous May 27, 2024

Sigma

A person who is self dependent, self sufficient , confident and has a bloody sharp jawline.

Billy said to him - Blud's a Sigma

by Arnq October 24, 2025