si

when one is typing the word "is" really fast and without thinking.

i think he si very nice

by winnie foster November 16, 2017

MattB SIS

MattBSIS

"Hey did you hear about the girl that contracted HIV?"

"Yeah dude wtf, She's not even a teenager."
"Yeah, but she a Thot."
"It was MattB sis, yea"

by MattBoy SIS December 10, 2017

Slut Sis Sunday

A day when you can fuck your slutty sister.

I didn't break any laws bc I fucked her on Slut Sis Sunday!

by SkinnyBoner69 January 20, 2020

sister sis

the prettiest gal ever.

sister sis is so cute omg.

by justdoitNike April 1, 2020

(si-mone-9 to the power of n)

(si-mone-9 to the power of n) is really heavy shit that is a collaborative effort of curtain parties who are bound to play a part without boundaries or bias. Inc.UD

(si-mone-9 to the power of n) is published on(EY605792121FRref.code) *defi.net/definition/Simone-9%25E2%2581%25BF (we had to draw on the power of the enamies) for this one !
The ref.code is yet to be announced, till. ...*not a true site.

by Me : Tracy Grimshaw April 26, 2020

sis i...

sis i is when one desires to express distate for a current situation or to a person usually when drama is happening

"so the waiter comes with my food and the chicken is dry and forgot my drink as well and im just sitting here like sis i...."

by emeraldwolfo May 17, 2020

Anal Sis

When you say a word too much that it becomes it's own word. Saying Analysis while on a marijuana-induced procrastination spree results in the following: Anal Sis. It refers to the act of either giving or receiving anal and then calling up your sister to tell him about it.

Yo, the wierdest thing happended last night, I had anal sis!!

by spicymayobootyhole345 May 21, 2020