Sigma

(Noun) Definition: The most rizzy person ever. (btw ill make one for rizzy)

He is the sigma of the gooners club.

by The realest Dictionary! March 26, 2025

Sigma

Lotta Solem and Susanne Seeberg

For example: omg there is lotta and susanne we have to edgeeee like right now. Is that livvy dunne?! NO! Thats Lotta and Susanne just existing.

Or: Is that John Pork and Tim Cheese?! No it is just the casual duo of sigmas- Lotta and Susanne

by SIGMAAAA April 1, 2025

Sigma

It’s when you get defined as a superior of an alpha.

I’m the sigma compared to you alphas.

by Error:1001 April 2, 2025

Sigma

Modern slang which means that a person is cool/has aura (is cool)

My guy is so sigma

by PuhuhUHHHH February 16, 2026

Sigma

Sigma boy

Sigma

by AndersonBaird67 March 13, 2026

Sigma

Really really large

She had a sigma stomach

by Dd8 April 28, 2025

Sigma

Stupidity Ethan

I’m so sigma, Ethan really

by anonymous April 28, 2025