SDSSS 

Second Dinner Saturdays or Sundays Shenanigans

I go for SDSSSs because hotpot made by people that enjoy toxic chestnuts gives me food poisoning.

SDSSS by Florence G July 6, 2018

sssssssssssssssssssssssssssssssssssssssssssssssssss 

You must be as board as me huh

sssssssssssssssssssssssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssssssssssssssssssssssss by SourCarrots September 29, 2020

ssssssssss 

The sound a snake makes.

Jerry: "Oh look at this snake!"
Snake: "ssssssssss"

ssssssssss by Rorynator December 22, 2017

sssssssss 

Sorry a snake got on my keyboard, please ignore this.

Ssssssssss
. JK- still the snake

sssssssss by The only pug July 16, 2021

SVSSS

Svsss (Scumbag self saving system) is a work by MXTX also known as Mo Xiang Tong Xiu (墨香铜臭, Mò Xiāng Tóng Xiù)
It is a BL novel, currently has a donghua adaptation.

Person A: Have you watched svsss?

Person B: If you mean bye "Love story of 'Oh no I died by a choking on a meatbun and now I transmigrated into a novel that I very much hate and ended up making the protagonist fall in love with me, the villain"

SVSSS by Mxtx's Devoted Follower September 27, 2021

SSSSSSSSSSSSS 

The sound a Minecraft creeper makes before it explodes and most likely, kills you

Creeper: SSSSSSSSSSSSS
Steve: fuck fuck fuck

SSSSSSSSSSSSS by SoupBalls August 26, 2019

sssssksssssk

Its a filler word to explain an action, a movement or just a random saying to include in a story. Sometimes its accompanied with hand movement to also decribe the action.

"Im going to Jeffs house later"..."Oh are you gonna sssssksssssk? ;)"

sssssksssssk by Maria aka Ria January 15, 2008