SIIYP 

stick it in your pooper - (asian) reference to anal sex

A: Lets SIIYP biatch

SIIYP by lol_donk August 23, 2007

siimpstars 

A homosexual black/white human being who is very hawt and meem lord. Also known as raymond (gaymond). He has a big cock. We love him.

Is that siimpstars? The guy with the mega schlong?

siimpstars by fl4ent May 26, 2021

Siip 

Created by @wyvellie on the Official RFA Discord Server. Misspelling of SIMP. Stands for "Special, Impressive, Intelligent, Person". Used to describe Jumin Han from Mystic Messenger.

"Simp stands for Special, Impressive, Intelligent, Person!"
"Wait, isnt that 'Siip'?"

Siip by KennedySofine May 27, 2020

SIIHPAPP 

Stick It In Her Pooper And Post Pics. A term used on Internet forums usually when a female is mentioned by a poster. It is believed to have originated at ar15.com.

TheRedHorseman: So, I think this girl at work likes me, what should I do?
Sgtar15: Stick it in her pooper and post pics!

SIIHPAPP by ARF March 14, 2005

Sisyphus Prime 

The main boss of P-2 Wait of the world in the game Ultrakill, known for the reputation of constantly whooping the player's ass and giving them thoughts to quit. for more information check the actual Ultrakill Wiki

"what's the boss that come after minos prime?"
"sisyphus prime."

Sisyphus Prime by cock sucking prick May 17, 2023

siipsi

Siipsi means a great drawer/artist, People use it for people who draw faces like the ones in "The 4 Sins" characters.

*draws*

-wow im such a siipsi

siipsi by xy.k August 25, 2021

SIIHPAPP 

Stick In Her Pooper And Post Pics

Guy 1
Hey guys im going out with this slutty chick tonight!

Guy 2
Well SIIHPAPP!

SIIHPAPP by Stoneagearcher January 20, 2007