Period sis

An eloquent expression of approval, generally used by by young adults to display agreement with a controversial or contentious statement.

Most people say Tom’s mom is ugly but I think she’s hot af.

Period sis

by Chessorganist June 2, 2023

Sis-Gender

Sis-Gender n.
Sis (short term for sissified) Gender
A grown man acting like an adolescent girl.

Bro, D. is so sissified acting like a 14 year old girl.
Dude I know, he's a Sis-Gender

by Z-man 69 June 28, 2023

si grand

An adjective to describe a person regarded as cool, attractive or superior, especially in regards to the size of their phallic instrument.

This word has grammatical genders as described by this rhyme:

If you are an homme,
Then you say Si Grand,
If you go by she,
Then you're Si Grandi,
If it's not just you,
You're all Si Grandu.

Ryan is really cool; he is si grand. Me and him are totally si grandu.

by TotallyDefinitelyNotJames July 1, 2023

si shuen

she is very slay slayer than yrmum

si shuen is as slay as janelle

by adel (joke) March 16, 2023

SI

Short for Survival Instinct - the ability to know what to do to stay alive.

His SI stopped him from committing suicide.

by Reality Unearthed March 24, 2023

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