Si-Yuan

a stinky little poopoo

Person 1: Why is there a poopoo on the floor?
Person 2: Don't worry, it's Si-Yuan .

by tumadreenbolas February 7, 2023

si+es

one of the best artists to listen to if ur gf breaks up with you

yo i’m listening to si+es right now bro this is sick

by music genius February 19, 2023

Si Yao

As short as yao Ming is tall

That middle schooler is so si yao

by Pp no pp October 10, 2023

sis

the girl version of “bro”, used as a form of address.

A (girl): wassup bro
B (boy): wassup sis

by MosesC November 7, 2023

hola como estas muy bien y tu yo no vivo en Australia si muy feliz

hola como estas muy bien y tu yo no vivo en Australia si muy feliz

hola como estas muy bien y tu yo no vivo en Australia si muy feliz

by Abcvd January 8, 2024

Sis

1. Short for “sister”
2. A term girls who downvote posts on UrbanDictionary call each other because guys call each other “bro” and they want to try to be just like them because “eQuAlItY”

“Hey sis.”
Ew don’t call me that, we’ve known each other for like 3 days.

by TheAlwaysCorrect1 January 12, 2023

KEI SI

means i’m dead in zopau! (“im dead” is used to express laughter)
kei= im, si=dead

someone: mama farted in class today and in smelt like eggs

u: HAHAHA KEI SI

by saratonin April 15, 2023