Period sis

Some stupid shit a heart broken female made

Fuck that broke ass nigga

And that’s “period sis”

by @dubba June 6, 2019

little sis

To the older sibling: Bitch.

"Hey little sis, go downstairs and get my bathing suit out of my car.

by PWNED&not April 9, 2010

o si

A world that means "o really" in Spanish used commonly by Salvadorians in a sarcastic way

guy 1- just banged da grl i told i told u about
guy 2- y u lying
guy 1-na for real dude
guy2- oooooo siiiiiii jajajajaja

by ElonlyS0n1x September 4, 2007

SI TARP

Famous Admiral Ackbar saying: "It's a trap" --> si a trap --> si tarp!

Run, shell si coming with the banstick! SI TARP!

by EpleMOS February 5, 2003

sis i-

Before "and I oop-" there was "sis i-" basically when a bitch say some out of pocket shit that catch you off gaurd

James: *randomly while I'm eating* suck this pussy mama

Me: sis i-

by Toastedpocohontass July 9, 2019

sis shuffle

the sis shuffle is what you do during the add/drop period. when a class is coming up, you drop it on the sis (student information services) website and add another class that met yesterday, prolonging the beginning-of-semester itis.

"are you coming to math?"
"fuck that, sis shuffle"

by fat mels May 9, 2010

cous-sis

A cousin so close and tigh with you, they're like a sister. They always have you're back and you can tell them anything.

The sister you never had

"Do you have any siblings?"
"No but I got a Cous-sis"

by s_nizzy April 29, 2015