S.I.P 

Stands for Slut in progress.

Can be used in multiple different ways.

When someone’s doing something slutty.

Person 1: Did you see Becky go with Liam?
Person 2: Yeah we know that’s a S.I.P.

S.I.P by Jlackey11 June 11, 2018

S&S Harley Davidson 

It's the engine that is on older model Indian motorcycle ,

Wow look at that Indian Harley , that's not a S&S Harley Davidson engine . That's the same engine that S&S uses on Harley Davidson motorcycles

S&S Harley Davidson by Big daddy davidson June 11, 2018

S.o 

Sex offender

"You see that dude right there he showed off his dick to his neighbor now he is a s.o"

S.o by Dope slang July 25, 2018

S.T.G 

A S.T.G is a rapidly spreading contagious disease flooding the lower mainland. people everywhere are catching it and there is no cure, once you've caught the S.T.Gs your fucked. your A Squid Tuna Goof the bottom of the barrel bottom feeding waste of skin that some of us have the luxury of dealing with day to day or possibly even calling them our friends. you can't get lower than a S.T.G and once you've got it theres no turning back

-be careful you don't wanna catch those S.T.Gs

-stay away from dan he's got those S.T.Gs

-Luke is such a S.T.G

S.T.G by Pappa wheelie October 6, 2018

S’more 

When a man cums in a Latina’s booty hole, he makes a s’more.

Bro I gave this chick this nastiest s’more at Chads party last night.

S’more by Chief Guadarama November 12, 2019

S. I. M. P.

(noun) ;Suckas Interested in Mediocre Pussy, a common phase in that a young man experience. When a Teenage or a Grown man tries to be a nice guy to a girl online or real life in hopes of some Coochie ( intercourse) or female validation. Common actions of a S.I.M.P. involves sacrificing personal relationships and goals such as friends family, money and attention to a women who doesn't love him (ie/Ex.Twitch Thot , e-girl ,THOT,basic bitch etc.). in a Self degrading or embarrassing manner . Having self-respect and developing internal validation and love from within is key from being or becoming a S.IM.P.

Jason: Bro why you donated the rent money to Evie's Twitch Stream she doesn't KNOW You
Brock : Evie Promised Me a kiss if I donate her $500.00

Jason : That's a S. I. M. P. move not cool.

S. I. M. P. by C0MixZ March 11, 2020

S Talk (Shit Talk) 

A S talk or shit talk is a talk you get when you misbehave or do something you are not supposed to. It is similar to a trash talk but even worse.

Don't sit on that chair or you will get a S Talk (Shit Talk)

S Talk (Shit Talk) by STalkLC August 16, 2021