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

Sis

A word used to replace argh when seeing or hearing something disgusting. It can also be used when someone is acting like a bitch or a slut.

Person A: Cow manure is edible and nutritious in India.
Person B: Sis, that's disgusting.

Person A: I had sex with 5 dudes today.
Person B: Sis!

by Thedarklol October 15, 2021

lan si lan yong linsi

Swear word among the chinese/canto/singlish community to describe someone who is cocky/arrogant

Example
Person1: I don't think you can pass your upcoming exams which is due next week. I hardly see you study at all
Person2: OF COURSE I CAN PASS. DON'T LOOK DOWN ON ME! PLEASE!
Person1: Can you please don't be lan si lan yong linsi

END

by jacktan1993 November 28, 2023

sis code

A SET OF SIGNS INDICATING THE TIME FOR SEX BETWEEN AKINS AND DOLLY INVOLVING THE INTIMATE RELATIONSHIP AFTER HE BROKE THE BRO'S CODE BY SLEEPING WITH DOLLY (SIMEON'S GIRLFRIEND) BEHIND HIS FRIEND'S BACK, SIMEON.

ITS TIME FOR THE SIS CODE, BABE

by geniphakay June 19, 2017

SI

In fanfiction, an acronym for self insert

He wrote a Pokémon SI story

by OrbitalDefinitions April 30, 2024

Krow Ta Reven Si Sairf De

Can be an everyday holiday, where people leave work early to get drunk and consume nicotine salts.

Did anyone see where John Daly went? Yes, he left to celebrate Krow Ta Reven Si Sairf De!

by WGM GOAT June 17, 2025

hey sis! swag

something people with sister swag say to other swaggy sisters asmr

Shalissa: Hey sis! swag
Danisha: Are we doing a swaggy mukbang #go fuck yourself

by yall needa stop December 27, 2018