Used in chat programs and SMS's to infer sarcasm prior to that point.
Can sometimes be accompanied by a <s> at the beginning of the sarcastic phrase.
This is particularly useful for those who don't seem to understand sarcasm in written form, and can assist in avoiding lengthy discussions based on misunderstandings.

<s>Wow, that story was really interesting</s>

_____

Person 1: Work is great today!
Person 2: </s>?

by tixeon March 19, 2010

S!

Military Chat Expression for "Salute". Often used in Online Multiplayer games.

Player1: "S!"
Player2: "Yes Sir, S!"

by NYF February 15, 2004

#s

#s means "numbers"

# = number
s = 's / meaning more than one

"They must have (polar bear) #s and been tracking them"

by yvelight August 15, 2017

>:S

Annoyed, irritated or angry face.

dude1: what's up, little wanker?
dude2: >:S

by abbath_jr June 02, 2009

:'S

an emoticon depicting a sad snivering or about to cry face.

i fucked up on my test :'S

by apr1c0t October 27, 2003

AS/S

Albus Severus Potter and Scorpius Malfoy fanfiction.

Due to the cannon relationships of Harry/Ginny and Draco/Unknown Female in Deathly Hallows, the Harry/Draco shippers have now moved on to fictions involving their sons to fulfill their slash needs.

AS being Albus Severus
S being Scorpius

Pronounced as 'Ass'

"AS/S the true OTP"

"I'm all about the AS/S"

"Hey Jo! Kiss my AS/S"

"It's AS/S time 7.21.07"

"AS/S Because other Harry Potter ships can kiss mine"

by Gagsy July 23, 2007

S**

Something everyone in Urban Dictionary can’t stop talking about

I pressed the s key and the second thing that popped up was s**!

by yeltsA kciR May 27, 2021