A way to express shock for the brainrotted
Bro I just slept with my cousin
Me: erm what the sigma
erm what the sigma do you think you're doing
Alternative brainrot term to “What the hell” Or “What the f*ck”
Person 1:How are you doing dude?
Person 2:Skibidi Kai cenat, what about you?
Person 1: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?
It's simple, erm what the sigma like basic common word. erm what the sigma
Her: "Your not funny so stop texting me"
Guy: "erm what the sigma"