SN 

sodium nitrite, in certain suicidal circles its a way to kill yourself. SN is the abbreviation for that.

"I'm gonna take some sn with water and totally end it all."

SN by rottenpansies December 5, 2024

Sn 

Slut night

Jayla: Yoo are u going dts
Lexa: yess it’s sn

Sn by Vinnie Hackers Mommy🥵 May 26, 2025

SN: 

Side note. Like a P.S.. Usually used on Facebook, Twitter and similar social networking sites.

Facebook status update: He asked, I said yes!!! SN: Registry is at Walmart yall!!!

SN: by kialayo April 27, 2011

SN: 

the definition of SN: means sad note. i just asked my cousin today and she told me. alot of people on facebook, twitter, and other social networking sites use it.

SN: i lost my phone today:(, SN: my puppy died:(

SN: by ididjid July 15, 2010

(sn) 

commonly referred to as "t3h greatest", (sn) has wowed the world of myspace with their number one song "myspace"

www.myspace.com/snrulz

(sn) by LOLZZZZZZZ May 1, 2005

Sn/Snm 

Say niz
Say no more

Basically means; you don’t need to reply, don’t need to add to the conversation or it’s a done deal, I get what you mean

Person 1; I got you a lucozade
Person 2; ahhhh sn/snm

Sn/Snm by Ezrah.TM March 14, 2020

Sn' D 

Short for Suckin' some dick.

"y0, where's mike?"
"Sn' D, as usual."

Sn' D by deap November 18, 2006