erm what the sigma?

Used as brainrot humor to try and express something after a question

Pretty girl: Hey John!
John: erm what the sigma?

by imsopuppycoded May 2, 2024

Oosma Kappa Sigma

A group of trouble makers mostly made up of soffer kids that love to smoke pot, get wasted and party. They are also well known for vaping in the bathroom and causing chaos in the school.

Person 1: Is that Alex G pouring Captain Morgan for everyone?

Person 2: Don’t you know? He’s part of the Oosma Kappa Sigma, they always on some D8 type of shit

by Oosma Kappa Sigma January 8, 2022

skibidi sigmas

Residents from Ohio who mew and mog betas, while rizzing up level 10 gyatts

Sigma 1: "We are skibidi sigmas"
Sigma 2: "Erm... what the sigma...."

by moggingsigma10 June 12, 2024

Sigma

The 18th letter of the Greek alphabet, also spelled like Σ or σ
Mathematical sum.

Sigma is like 1+2+3+4... and so on

by Σ January 7, 2022

Sigma

A person with erectile dysfunction.

"Jim is sigma" "Damn, that's sad*

by QuantumV June 22, 2024

Sigma

A word that people use when they have to much brain rot,

Youtube shorts kids say this

Friend 1: "I'm so sigma"
Friend 2: "No your not"

by No one ❤️ June 6, 2024

Sigma

A superior specie then say the alpha male but usually find endeavors in being celibate without other women in the way

David: yo kyle divorced
Tom: Is he turning sigma

by cowabungamydud October 30, 2023