Sisman

The most braindead and fattest person you know. usually referred to a friend that very stupid and its impossible to understand his thought process. This person is usually quite chunky and can be quite of a simp.

That guy is a sisman

by BigGid October 14, 2021

sisman

this is classic british slang for the most autistic, retarded and braindead person you will ever meet.

oh nelly this kid is a sisman

by sisman October 14, 2021

Sigmantics

The art of being a sigma male. Concerning the way of the sigma male and their actions.

Beta: Hey Anas, how’d you get that girls number despite ignoring her?

Sigma: Sigmantics.

by The Viber December 1, 2022

phi sigma rho

Sorority for women in Engineering and some STEM majors

Hey I think I’m going to rush Phi Sigma Rho next semester, those girls are smart AND cool

by Orangegiraffe22 December 3, 2019

vector sigma

1. Transformer way of cursing towards ill events
2. Super computer in Transformer universe

1. "yo dude, that guy stole your bike!"
"vector sigma..."

2. " Reprogram vector sigma now!"

by tokimoki August 12, 2007

Sismance

the heterosexual relationship between females. It allows a lot more interaction than a bromance because they are females. "No homo" is implied.

Guy: "Hey! are you two in a relationship?"
Girl: "Nah. Are you dumb? It's a sismance. You wouldn't understand because you're a guy."

Guy: "Sismance isn't real."
Girl: "Well, neither is this relationship between you and me."

by ganadora May 13, 2011

sigma nu omega

Sigma Nu Omega - ancient brotherhood founded in Alaska in 928459 BC by brother CP Busch. Club slalom event will take place on Busch campus every Tuesday through Sunday, makeup's on Monday.... CO makes it SNO, CP makes it weird.
Motto: We Hit Hard
a.k.a Sig Nu Omeg, a.k.a SNO

are you still pledgin' for SigMa Nu Omega?

by Wiz Sleeve March 16, 2008