SSI 

Super sexy individual

Dam, dat bitch a SSI

SSI by Allahatopia November 19, 2018

SSI 

Typically the best day ever! It's when you give your girl; sushi, sex and ice cream all in the same day.

I gave my girl friend the SSI tonight.

SSI by tdub83 August 28, 2023

SSI 

Screw Some Idiot

If a person haven't had sex for a long time, and he/she's getting more and more annoying (because of this), he/she needs to get laid asap.

"- I can't take this no more, it's been ages I haven't slept with anybody, this is killing me! I'm a nice person, why can't I get someone who would have sex with me? Blah blah blah...
- Girl, you should just ssi..."

SSI by awesomenessHU November 16, 2009

SSI 

A horrible horrible person. A fake friend. Will do the absolute worst to the people closest to them and not even flinch. Heartless and horrible. Worst kind of person you can meet.

I can’t believe she would do that to you.

Yeah she’s such an SSI👎🏾👎🏾👎🏾

SSI by lolokhahahahah February 19, 2019

SSI 

plural: SSI's. Noun. One who works at posh summer internsip and is sexy. Acronym: Sexy Summer Intern.

SSI: Boss, you should take me to dinner/Alaska/drinks because I'm sexy.
Boss: Ok, I'll get you on the next flight.

SSI by The Original SSI's August 4, 2007

SSI 

The SSI is often referred to as the Sovereign State of Israel (SSI), which's a country 70+-year-old country in the Levant, which's in the Middle East, which's in Asia, which's a continent.

Q: where are you from, dear fellow?

A: I'm from The SSI
Q: sorry, gentleman?
A: The Sovereign State of Israel!
Oh! I got it , thank you.

SSI by The Informator June 29, 2022

SSI Duck

Means a person who fakes thier illness/disabilities so they don't have to work , Henceforth , " Playing the system".

Jamal: Man , u know them niggas sit out there all day long, knowing there is not nothin wrong with they ass.

Ash: them some SSI Duck , getting that check to supply their drankin' habits.

SSI Duck by Blackcat89, Prez.Moore May 22, 2011